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TCVN 3996-1985 Rice seed depot Design standards《水稻种子仓库 设计标准》.pdf 12

TCVN 3996-1985 Rice seed depot Design standards《水稻种子仓库 设计标准》.pdfTCVN 3996-1985 Rice seed depot Design standards《水稻种子仓库 设计标准》.pdf

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TCVN 3995-1985 Dry mineral manure depots Design requirements《干燥矿物肥料仓库 设计要求》.pdf 17

TCVN 3995-1985 Dry mineral manure depots Design requirements《干燥矿物肥料仓库 设计要求》.pdfTCVN 3995-1985 Dry mineral manure depots Design requirements《干燥矿物肥料仓库 设计要求》.pdf

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5人阅读
TCVN 3994-1985 Anti-corrosion in construction concrete and reinforced concrete structures Classification of aggressive surroundings《建筑混凝土和钢筋混凝土结构的防腐 侵蚀环境的分类》.pdf 7

TCVN 3994-1985 Anti-corrosion in construction concrete and reinforced concrete structures Classification of aggressive surroundings《建筑混凝土和钢筋混凝土结构的防腐 侵蚀环境的分类》.pdfTCVN 3994-1985 Anti-corrosion in construction concrete and reinforced concrete structures Classification of aggressive surroundings《建筑混凝土和钢筋混凝土结构的防腐 侵蚀环境的分类》.pdf

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7人阅读
TCVN 3153-1979 Occupational safety standard system Basic concepts Terms and definitions《职业安全标准体系 基本概念 术语和定义》.pdf 7

TCVN 3153-1979 Occupational safety standard system Basic concepts Terms and definitions《职业安全标准体系 基本概念 术语和定义》.pdfTCVN 3153-1979 Occupational safety standard system Basic concepts Terms and definitions《职业安全标准体系 基本概念 术语和定义》.pdf

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6人阅读
TCVN 3152-1979 Abrasive products the safety code for use《磨料制品 使用安全规范》.pdf 17

TCVN 3152-1979 Abrasive products the safety code for use《磨料制品 使用安全规范》.pdfTCVN 3152-1979 Abrasive products the safety code for use《磨料制品 使用安全规范》.pdf

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8人阅读
TCVN 3149-1979 Metal and inorganic coatings General safety requirements《金属和无机涂料 一般安全要求》.pdf 22

TCVN 3149-1979 Metal and inorganic coatings General safety requirements《金属和无机涂料 一般安全要求》.pdfTCVN 3149-1979 Metal and inorganic coatings General safety requirements《金属和无机涂料 一般安全要求》.pdf

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9人阅读
TCVN 3148-1979 Conveyors General safety requirements《输送机 一般安全要求》.pdf 9

TCVN 3148-1979 Conveyors General safety requirements《输送机 一般安全要求》.pdfTCVN 3148-1979 Conveyors General safety requirements《输送机 一般安全要求》.pdf

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8人阅读
TCVN 3147-1990 Safety code for loading and unloading works General requirements《装卸工作的安全规范 一般要求》.pdf 18

TCVN 3147-1990 Safety code for loading and unloading works General requirements《装卸工作的安全规范 一般要求》.pdfTCVN 3147-1990 Safety code for loading and unloading works General requirements《装卸工作的安全规范 一般要求》.pdf

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4人阅读
TCVN 2258-2009 Involute cylindrical gear drive Basic profiles《渐开线圆柱齿轮传动 基本牙型》.pdf 8

TCVN 2258-2009 Involute cylindrical gear drive Basic profiles《渐开线圆柱齿轮传动 基本牙型》.pdfTCVN 2258-2009 Involute cylindrical gear drive Basic profiles《渐开线圆柱齿轮传动 基本牙型》.pdf

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3人阅读
TCVN 2256-1977 Round threads Profiles Basic dimensions and tolerances《圆形螺纹 牙型 基本尺寸和公差》.pdf 11

TCVN 2256-1977 Round threads Profiles Basic dimensions and tolerances《圆形螺纹 牙型 基本尺寸和公差》.pdfTCVN 2256-1977 Round threads Profiles Basic dimensions and tolerances《圆形螺纹 牙型 基本尺寸和公差》.pdf

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