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TCVN 4951-1989 Woodworking equipment Quality characteristics《木工设备 质量特性》.pdf 6

TCVN 4951-1989 Woodworking equipment Quality characteristics《木工设备 质量特性》.pdfTCVN 4951-1989 Woodworking equipment Quality characteristics《木工设备 质量特性》.pdf

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TCVN 4950-1989 Metal and wood-cutting tools Quality characteristics《金属和木工刀具 质量特性》.pdf 6

TCVN 4950-1989 Metal and wood-cutting tools Quality characteristics《金属和木工刀具 质量特性》.pdfTCVN 4950-1989 Metal and wood-cutting tools Quality characteristics《金属和木工刀具 质量特性》.pdf

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TCVN 4949-1989 Plain bearings Bushes made from sintered materials (iron or bronze powders) Types dimensions and tolerances《滑动轴承 烧结材料(铁或青铜粉)制衬套 类型 尺寸和公差》.pdf 11

TCVN 4949-1989 Plain bearings Bushes made from sintered materials (iron or bronze powders) Types dimensions and tolerances《滑动轴承 烧结材料(铁或青铜粉)制衬套 类型 尺寸和公差》.pdfTCVN 4949-1989 Plain bearings Bushes made from sintered materials (iron or bronze powders) Types dimensions and tolerances《滑动轴承 烧结材料(铁或青铜粉)制衬套 类型 尺寸和公差》.pdf

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TCVN 4947-1989 Pneumatic system for mechanical engineering Check valves Test methods《机械工程的气动系统 止回阀 试验方法》.pdf 5

TCVN 4947-1989 Pneumatic system for mechanical engineering Check valves Test methods《机械工程的气动系统 止回阀 试验方法》.pdfTCVN 4947-1989 Pneumatic system for mechanical engineering Check valves Test methods《机械工程的气动系统 止回阀 试验方法》.pdf

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TCVN 4435-2000 Asbestos-cement corrugated sheets Method of test《波纹状的石棉水泥薄板 试验方法》.pdf 11

TCVN 4435-2000 Asbestos-cement corrugated sheets Method of test《波纹状的石棉水泥薄板 试验方法》.pdfTCVN 4435-2000 Asbestos-cement corrugated sheets Method of test《波纹状的石棉水泥薄板 试验方法》.pdf

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TCVN 4434-2000 Asbestos-cement corrugated sheets Technical requirements《波纹状的石棉水泥薄板 技术要求》.pdf 7

TCVN 4434-2000 Asbestos-cement corrugated sheets Technical requirements《波纹状的石棉水泥薄板 技术要求》.pdfTCVN 4434-2000 Asbestos-cement corrugated sheets Technical requirements《波纹状的石棉水泥薄板 技术要求》.pdf

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TCVN 4431-1987 Protection fences Specifications《护栏 规范》.pdf 8

TCVN 4431-1987 Protection fences Specifications《护栏 规范》.pdfTCVN 4431-1987 Protection fences Specifications《护栏 规范》.pdf

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TCVN 4430-1987 Fences of construction sites Specifications《建筑工地围墙 规范》.pdf 9

TCVN 4430-1987 Fences of construction sites Specifications《建筑工地围墙 规范》.pdfTCVN 4430-1987 Fences of construction sites Specifications《建筑工地围墙 规范》.pdf

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TCVN 4429-1987 Sandstone Method for determination of calcium oxide content《砂岩 氧化钙含量的测定方法》.pdf 7

TCVN 4429-1987 Sandstone Method for determination of calcium oxide content《砂岩 氧化钙含量的测定方法》.pdfTCVN 4429-1987 Sandstone Method for determination of calcium oxide content《砂岩 氧化钙含量的测定方法》.pdf

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TCVN 3938-2009 Textiles Integrated conversion table for replacing traditional yarn numbers by rounded values in the Tex System《纺织品 用号数制的约整数值取代传统纱线支数的综合换算表》.pdf 17

TCVN 3938-2009 Textiles Integrated conversion table for replacing traditional yarn numbers by rounded values in the Tex System《纺织品 用号数制的约整数值取代传统纱线支数的综合换算表》.pdfTCVN 3938-2009 Textiles Integrated conversion table for replacing traditional yarn numbers by rounded values in the Tex System《纺织品 用号数制的约整数值取代传统纱线支数的综合换算表》.pdf

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