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NF B51-152-1988 Wood based panels Determination of water absorption and dimensional variations after immersion 《木基板 浸水后尺寸变化和吸水性的测定》.pdf 5

NF B51-152-1988 Wood based panels Determination of water absorption and dimensional variations after immersion 《木基板 浸水后尺寸变化和吸水性的测定》.pdfNF B51-152-1988 Wood based panels Determination of water absorption and dimensional variations after immersion 《木基板 浸水后尺寸变化和吸水性的测定》.pdf

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NF B51-142-2-1994 Fibreboards Determination of surface absorption Part 2 test method for hardboards 《纤维板 表面吸水性测定 第2部分 硬质板试验方法》.pdf 7

NF B51-142-2-1994 Fibreboards Determination of surface absorption Part 2 test method for hardboards 《纤维板 表面吸水性测定 第2部分 硬质板试验方法》.pdfNF B51-142-2-1994 Fibreboards Determination of surface absorption Part 2 test method for hardboards 《纤维板 表面吸水性测定 第2部分 硬质板试验方法》.pdf

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NF B51-142-1-1993 Fibreboards Determination of surface absorption Part 1 test method for dry process fibreboards 《纤维板 表面吸水性测定 第1部分 干处理纤维板试验方法》.pdf 8

NF B51-142-1-1993 Fibreboards Determination of surface absorption Part 1 test method for dry process fibreboards 《纤维板 表面吸水性测定 第1部分 干处理纤维板试验方法》.pdfNF B51-142-1-1993 Fibreboards Determination of surface absorption Part 1 test method for dry process fibreboards 《纤维板 表面吸水性测定 第1部分 干处理纤维板试验方法》.pdf

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NF A88-942-2005 Welding and allied processes - Qualification testing of brazers for safety joints on fuel gas distribution pipework - Joining of fuel gas pipework in fuel gas plantevic.pdf 28

NF A88-942-2005 Welding and allied processes - Qualification testing of brazers for safety joints on fuel gas distribution pipework - Joining of fuel gas pipework in fuel gas plantevic.pdfNF A88-942-2005 Welding and allied processes - Qualification testing of brazers for safety joints on fuel gas distribution pipework - Joining of fuel gas pipework in fuel gas plantevic.pdf

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NF A88-222-1997 Personal protection Equipment for eye and face protection during welding and allied processes 《人员防护 焊接和相关工艺操作期间眼及脸防护装置》.pdf 17

NF A88-222-1997 Personal protection Equipment for eye and face protection during welding and allied processes 《人员防护 焊接和相关工艺操作期间眼及脸防护装置》.pdfNF A88-222-1997 Personal protection Equipment for eye and face protection during welding and allied processes 《人员防护 焊接和相关工艺操作期间眼及脸防护装置》.pdf

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NF A88-110-4-1999 Approval testing of welders Fusion welding Part 4 nickel and nickel alloys 《焊工合格测试 熔焊 第4部分 镍和镍合金》.pdf 31

NF A88-110-4-1999 Approval testing of welders Fusion welding Part 4 nickel and nickel alloys 《焊工合格测试 熔焊 第4部分 镍和镍合金》.pdfNF A88-110-4-1999 Approval testing of welders Fusion welding Part 4 nickel and nickel alloys 《焊工合格测试 熔焊 第4部分 镍和镍合金》.pdf

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NF A88-110-3-1999 Approval testing of welders Fusion welding Part 3 copper and copper alloys 《焊工合格测试 熔焊 第3部分 铜及铜合金件》.pdf 31

NF A88-110-3-1999 Approval testing of welders Fusion welding Part 3 copper and copper alloys 《焊工合格测试 熔焊 第3部分 铜及铜合金件》.pdfNF A88-110-3-1999 Approval testing of welders Fusion welding Part 3 copper and copper alloys 《焊工合格测试 熔焊 第3部分 铜及铜合金件》.pdf

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NF A87-082-1992 Projections for resistance welding 《电阻凸焊》.pdf 7

NF A87-082-1992 Projections for resistance welding 《电阻凸焊》.pdfNF A87-082-1992 Projections for resistance welding 《电阻凸焊》.pdf

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NF A11-013-1982 Chemical analysis of ferro-titanium Determination of titanium content Titrimetric method 《钛铁的化学分析 钛含量的测定 滴定法》.pdf 5

NF A11-013-1982 Chemical analysis of ferro-titanium Determination of titanium content Titrimetric method 《钛铁的化学分析 钛含量的测定 滴定法》.pdfNF A11-013-1982 Chemical analysis of ferro-titanium Determination of titanium content Titrimetric method 《钛铁的化学分析 钛含量的测定 滴定法》.pdf

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NF A10-954-1972 Chemical analysis of ferro-vanadium Spectrophotometric determination of phosphorus 《钒铁的化学分析 磷的分光光度计法测定》.pdf 5

NF A10-954-1972 Chemical analysis of ferro-vanadium Spectrophotometric determination of phosphorus 《钒铁的化学分析 磷的分光光度计法测定》.pdfNF A10-954-1972 Chemical analysis of ferro-vanadium Spectrophotometric determination of phosphorus 《钒铁的化学分析 磷的分光光度计法测定》.pdf

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