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TCVN 5405-1991 Corrosion protection Metals alloys metallic and non-metallic inorganic coatings Accelerate testing in salt-spray cabinet of neutral natrium chloride solution (method.pdf 7

TCVN 5405-1991 Corrosion protection Metals alloys metallic and non-metallic inorganic coatings Accelerate testing in salt-spray cabinet of neutral natrium chloride solution (method.pdfTCVN 5405-1991 Corrosion protection Metals alloys metallic and non-metallic inorganic coatings Accelerate testing in salt-spray cabinet of neutral natrium chloride solution (method.pdf

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TCVN 5039-1990 Personal eye protection Ultra violet filters Utilisation and transmittance requirements《个人眼睛保护 紫外线过滤器 应用和透射率的要求》.pdf 7

TCVN 5039-1990 Personal eye protection Ultra violet filters Utilisation and transmittance requirements《个人眼睛保护 紫外线过滤器 应用和透射率的要求》.pdfTCVN 5039-1990 Personal eye protection Ultra violet filters Utilisation and transmittance requirements《个人眼睛保护 紫外线过滤器 应用和透射率的要求》.pdf

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TCVN 5038-1989 Agricultural machines Nomenclature of quality indices《农业机械 质量指标术语》.pdf 6

TCVN 5038-1989 Agricultural machines Nomenclature of quality indices《农业机械 质量指标术语》.pdfTCVN 5038-1989 Agricultural machines Nomenclature of quality indices《农业机械 质量指标术语》.pdf

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TCVN 5027-2010 Metallic and other inorganic coatings Electroplated coatings of cadmium with supplementary treatments on iron or steel 《金属和其它无机涂层 对铁或钢进行辅助处理的镉电镀层》.pdf 20

TCVN 5027-2010 Metallic and other inorganic coatings Electroplated coatings of cadmium with supplementary treatments on iron or steel 《金属和其它无机涂层 对铁或钢进行辅助处理的镉电镀层》.pdfTCVN 5027-2010 Metallic and other inorganic coatings Electroplated coatings of cadmium with supplementary treatments on iron or steel 《金属和其它无机涂层 对铁或钢进行辅助处理的镉电镀层》.pdf

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TCVN 5026-2010 Metallic and other inorganic coatings Electroplated coatings of zinc with supplementary treatments on iron or steel《金属和其它无机涂层 对铁或钢进行辅助处理的锌电镀层》.pdf 20

TCVN 5026-2010 Metallic and other inorganic coatings Electroplated coatings of zinc with supplementary treatments on iron or steel《金属和其它无机涂层 对铁或钢进行辅助处理的锌电镀层》.pdfTCVN 5026-2010 Metallic and other inorganic coatings Electroplated coatings of zinc with supplementary treatments on iron or steel《金属和其它无机涂层 对铁或钢进行辅助处理的锌电镀层》.pdf

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TCVN 5025-1989 Protection against corrosion Phosphate coatings Technical requirements and test methods《防腐保护 磷酸盐涂层 技术要求和试验方法》.pdf 9

TCVN 5025-1989 Protection against corrosion Phosphate coatings Technical requirements and test methods《防腐保护 磷酸盐涂层 技术要求和试验方法》.pdfTCVN 5025-1989 Protection against corrosion Phosphate coatings Technical requirements and test methods《防腐保护 磷酸盐涂层 技术要求和试验方法》.pdf

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TCVN 4519-1988 Indoor water supply and drainage systems Codes for construction check and acceptance《室内供水和排水系统 施工 检查和验收规范》.pdf 25

TCVN 4519-1988 Indoor water supply and drainage systems Codes for construction check and acceptance《室内供水和排水系统 施工 检查和验收规范》.pdfTCVN 4519-1988 Indoor water supply and drainage systems Codes for construction check and acceptance《室内供水和排水系统 施工 检查和验收规范》.pdf

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TCVN 4517-1988 Technical maintenance and repair systems of building machinery Rules of passing machine and their component for general overhall and its returning general requiremen.pdf 12

TCVN 4517-1988 Technical maintenance and repair systems of building machinery Rules of passing machine and their component for general overhall and its returning general requiremen.pdfTCVN 4517-1988 Technical maintenance and repair systems of building machinery Rules of passing machine and their component for general overhall and its returning general requiremen.pdf

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TCVN 4516-1988 Improvement of territory rules for building manufacturing and acception《建筑生产和验收领域改进的规则》.pdf 19

TCVN 4516-1988 Improvement of territory rules for building manufacturing and acception《建筑生产和验收领域改进的规则》.pdfTCVN 4516-1988 Improvement of territory rules for building manufacturing and acception《建筑生产和验收领域改进的规则》.pdf

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TCVN 4513-1988 Interior water supply Design standard《室内供水 设计标准》.pdf 32

TCVN 4513-1988 Interior water supply Design standard《室内供水 设计标准》.pdfTCVN 4513-1988 Interior water supply Design standard《室内供水 设计标准》.pdf

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