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ONORM EN 2155-3-1993 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 3 Determination of refractive index《航空航天系列 飞机玻璃窗用透明材料的试验方法 第3部分：折射率测定》.pdf 5

ONORM EN 2155-3-1993 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 3 Determination of refractive index《航空航天系列 飞机玻璃窗用透明材料的试验方法 第3部分：折射率测定》.pdfONORM EN 2155-3-1993 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 3 Determination of refractive index《航空航天系列 飞机玻璃窗用透明材料的试验方法 第3部分：折射率测定》.pdf

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ONORM EN 2155-2-1993 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 2 Determination of water absorption《航空航天系列 飞机玻璃窗用透明材料的试验方法 第2部分：吸水率测定》.pdf 5

ONORM EN 2155-2-1993 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 2 Determination of water absorption《航空航天系列 飞机玻璃窗用透明材料的试验方法 第2部分：吸水率测定》.pdfONORM EN 2155-2-1993 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 2 Determination of water absorption《航空航天系列 飞机玻璃窗用透明材料的试验方法 第2部分：吸水率测定》.pdf

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ONORM E 6511-1976 Rigid ducts (cable protecting conduits) nd tittings made of unplasticized PVC piain non inflammable for medium mechanical stress 《未增塑聚氯乙烯制成的刚性套管(电缆保护套管)和配件,平板阻燃,适.pdf 3

ONORM E 6511-1976 Rigid ducts (cable protecting conduits) nd tittings made of unplasticized PVC piain non inflammable for medium mechanical stress 《未增塑聚氯乙烯制成的刚性套管(电缆保护套管)和配件,平板阻燃,适.pdfONORM E 6511-1976 Rigid ducts (cable protecting conduits) nd tittings made of unplasticized PVC piain non inflammable for medium mechanical stress 《未增塑聚氯乙烯制成的刚性套管(电缆保护套管)和配件,平板阻燃,适.pdf

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ONORM E 6510-1995 Rigid cable protecting conduits with socketed end of PVC-U and fittings normal and light Performance piain non flame propagating《带PVC－U管接头端头和连接件的刚性电缆防护导管，正常性能和阻燃》.pdf 4

ONORM E 6510-1995 Rigid cable protecting conduits with socketed end of PVC-U and fittings normal and light Performance piain non flame propagating《带PVC－U管接头端头和连接件的刚性电缆防护导管，正常性能和阻燃》.pdfONORM E 6510-1995 Rigid cable protecting conduits with socketed end of PVC-U and fittings normal and light Performance piain non flame propagating《带PVC－U管接头端头和连接件的刚性电缆防护导管，正常性能和阻燃》.pdf

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ONORM E 6509-1981 Conduits for electrical Installation allocated to insulated wires《配置绝缘线的电气装置用导管》.pdf 3

ONORM E 6509-1981 Conduits for electrical Installation allocated to insulated wires《配置绝缘线的电气装置用导管》.pdfONORM E 6509-1981 Conduits for electrical Installation allocated to insulated wires《配置绝缘线的电气装置用导管》.pdf

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ONORM E 6508 Teil 5-1987 Mounting boxes for use in concrete installations for switches and socket outlets with screw- and claw-fixing and installation-boxes《用于混凝土安装带有螺丝钉，固定爪和安装箱的开关.pdf 4

ONORM E 6508 Teil 5-1987 Mounting boxes for use in concrete installations for switches and socket outlets with screw- and claw-fixing and installation-boxes《用于混凝土安装带有螺丝钉，固定爪和安装箱的开关.pdfONORM E 6508 Teil 5-1987 Mounting boxes for use in concrete installations for switches and socket outlets with screw- and claw-fixing and installation-boxes《用于混凝土安装带有螺丝钉，固定爪和安装箱的开关.pdf

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ONORM E 6508 Teil 4-1990 Mounting boxes mounting boxes for switches and socket outlets with clawfixation《安装盒：带有固定爪的开关和插座用安装盒》.pdf 3

ONORM E 6508 Teil 4-1990 Mounting boxes mounting boxes for switches and socket outlets with clawfixation《安装盒：带有固定爪的开关和插座用安装盒》.pdfONORM E 6508 Teil 4-1990 Mounting boxes mounting boxes for switches and socket outlets with clawfixation《安装盒：带有固定爪的开关和插座用安装盒》.pdf

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ONORM C 9720 Teil 1-1979 Reinforced plastics Terms and definitions《增强塑料 术语及解释》.pdf 3

ONORM C 9720 Teil 1-1979 Reinforced plastics Terms and definitions《增强塑料 术语及解释》.pdfONORM C 9720 Teil 1-1979 Reinforced plastics Terms and definitions《增强塑料 术语及解释》.pdf

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ONORM C 9712-1979 Unidirectional textile glass reinforced plastics Determination of tensile properties《单向纺织玻璃纤维增强塑料 拉伸性能测定》.pdf 5

ONORM C 9712-1979 Unidirectional textile glass reinforced plastics Determination of tensile properties《单向纺织玻璃纤维增强塑料 拉伸性能测定》.pdfONORM C 9712-1979 Unidirectional textile glass reinforced plastics Determination of tensile properties《单向纺织玻璃纤维增强塑料 拉伸性能测定》.pdf

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ONORM C 9552 Teil 1-1988 Plastic moulding materials Polyethylene (PE) moulding materials Classification and designation《塑料成型材料 聚乙烯（PE）成型材料 分类和名称》.pdf 11

ONORM C 9552 Teil 1-1988 Plastic moulding materials Polyethylene (PE) moulding materials Classification and designation《塑料成型材料 聚乙烯（PE）成型材料 分类和名称》.pdfONORM C 9552 Teil 1-1988 Plastic moulding materials Polyethylene (PE) moulding materials Classification and designation《塑料成型材料 聚乙烯（PE）成型材料 分类和名称》.pdf

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