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TCVN 5054-1990 Metals Upsetting test method《金属 顶锻试验方法》.pdf 6

TCVN 5054-1990 Metals Upsetting test method《金属 顶锻试验方法》.pdfTCVN 5054-1990 Metals Upsetting test method《金属 顶锻试验方法》.pdf

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TCVN 5052-2-2009 Hardmetals Metallographic determination of microstructure Part 2 Measurement of WC grain size《硬质合金 微观结构的金相测定 第2部分 碳化钨晶粒度的测量》.pdf 24

TCVN 5052-2-2009 Hardmetals Metallographic determination of microstructure Part 2 Measurement of WC grain size《硬质合金 微观结构的金相测定 第2部分 碳化钨晶粒度的测量》.pdfTCVN 5052-2-2009 Hardmetals Metallographic determination of microstructure Part 2 Measurement of WC grain size《硬质合金 微观结构的金相测定 第2部分 碳化钨晶粒度的测量》.pdf

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TCVN 4547-1994 Barges for oil produsts Method and means of verification《油产品用驳船 验证的方法和手段》.pdf 10

TCVN 4547-1994 Barges for oil produsts Method and means of verification《油产品用驳船 验证的方法和手段》.pdfTCVN 4547-1994 Barges for oil produsts Method and means of verification《油产品用驳船 验证的方法和手段》.pdf

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TCVN 4546-2009 Frozen slipper lobster《冻琵琶虾》.pdf 7

TCVN 4546-2009 Frozen slipper lobster《冻琵琶虾》.pdfTCVN 4546-2009 Frozen slipper lobster《冻琵琶虾》.pdf

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TCVN 4545-1994 Frozen spiny lobster《冻龙虾》.pdf 6

TCVN 4545-1994 Frozen spiny lobster《冻龙虾》.pdfTCVN 4545-1994 Frozen spiny lobster《冻龙虾》.pdf

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TCVN 4543-1988 Fungicides Kitazin 10% granules《杀虫剂 稻瘟净10%颗粒》.pdf 9

TCVN 4543-1988 Fungicides Kitazin 10% granules《杀虫剂 稻瘟净10%颗粒》.pdfTCVN 4543-1988 Fungicides Kitazin 10% granules《杀虫剂 稻瘟净10%颗粒》.pdf

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TCVN 4542-1988 Insecticides Bassa 50% emulsifiable concentrate《杀虫剂 丁苯威杀虫剂50%乳油》.pdf 8

TCVN 4542-1988 Insecticides Bassa 50% emulsifiable concentrate《杀虫剂 丁苯威杀虫剂50%乳油》.pdfTCVN 4542-1988 Insecticides Bassa 50% emulsifiable concentrate《杀虫剂 丁苯威杀虫剂50%乳油》.pdf

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TCVN 4059-1985 System of quality characteristics of building products Steel structures nomenclature of characteristics《建筑产品的质量特点体系 钢结构 特点术语》.pdf 5

TCVN 4059-1985 System of quality characteristics of building products Steel structures nomenclature of characteristics《建筑产品的质量特点体系 钢结构 特点术语》.pdfTCVN 4059-1985 System of quality characteristics of building products Steel structures nomenclature of characteristics《建筑产品的质量特点体系 钢结构 特点术语》.pdf

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TCVN 4058-1985 System of quality characteristic of building products Concrete and reinforced concrete Nomenclature of characteristics《建筑产品的质量特点体系 混凝土和钢筋混凝土 特点术语》.pdf 7

TCVN 4058-1985 System of quality characteristic of building products Concrete and reinforced concrete Nomenclature of characteristics《建筑产品的质量特点体系 混凝土和钢筋混凝土 特点术语》.pdfTCVN 4058-1985 System of quality characteristic of building products Concrete and reinforced concrete Nomenclature of characteristics《建筑产品的质量特点体系 混凝土和钢筋混凝土 特点术语》.pdf

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TCVN 4057-1985 System of quality characteristics of construction products Basic principles《建筑产品的质量特点体系 基本原理》.pdf 6

TCVN 4057-1985 System of quality characteristics of construction products Basic principles《建筑产品的质量特点体系 基本原理》.pdfTCVN 4057-1985 System of quality characteristics of construction products Basic principles《建筑产品的质量特点体系 基本原理》.pdf

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