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UNIT 75-1950 《混合物中粘土块的测量》.pdf 4

UNIT 75-1950 《混合物中粘土块的测量》.pdfUNIT 75-1950 《混合物中粘土块的测量》.pdf

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UNI 7346-1974 Round head tapping rivets 《圆头自攻铆钉，取代UNI S 241》.pdf 2

UNI 7346-1974 Round head tapping rivets 《圆头自攻铆钉，取代UNI S 241》.pdfUNI 7346-1974 Round head tapping rivets 《圆头自攻铆钉，取代UNI S 241》.pdf

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UNI 7345-1974 Tapping rivets Thread and end 《自攻铆钉 螺纹和端，取代UNI S242》.pdf 2

UNI 7345-1974 Tapping rivets Thread and end 《自攻铆钉 螺纹和端，取代UNI S242》.pdfUNI 7345-1974 Tapping rivets Thread and end 《自攻铆钉 螺纹和端，取代UNI S242》.pdf

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UNI 7338-1974 Chemical analysis of ferroalloys Determination of manganese in ferro- manganese Electrometric method 《含铁材料化学分析 铁 锰中的锰测定 静电法》.pdf 2

UNI 7338-1974 Chemical analysis of ferroalloys Determination of manganese in ferro- manganese Electrometric method 《含铁材料化学分析 铁 锰中的锰测定 静电法》.pdfUNI 7338-1974 Chemical analysis of ferroalloys Determination of manganese in ferro- manganese Electrometric method 《含铁材料化学分析 铁 锰中的锰测定 静电法》.pdf

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UNI 7337-1974 Chemical analysis of ferrous materials Determination of aluminium in steel Gravimetric method 《含铁材料化学分析 钢中的铝测定 重量分析法》.pdf 5

UNI 7337-1974 Chemical analysis of ferrous materials Determination of aluminium in steel Gravimetric method 《含铁材料化学分析 钢中的铝测定 重量分析法》.pdfUNI 7337-1974 Chemical analysis of ferrous materials Determination of aluminium in steel Gravimetric method 《含铁材料化学分析 钢中的铝测定 重量分析法》.pdf

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UNI 7336-1974 Chemical analysis of ferrous materials Determination of nitrogen in steel Spectrophotometric method 《含铁材料化学分析 钢中的氮测定 分光光度法》.pdf 7

UNI 7336-1974 Chemical analysis of ferrous materials Determination of nitrogen in steel Spectrophotometric method 《含铁材料化学分析 钢中的氮测定 分光光度法》.pdfUNI 7336-1974 Chemical analysis of ferrous materials Determination of nitrogen in steel Spectrophotometric method 《含铁材料化学分析 钢中的氮测定 分光光度法》.pdf

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UNI 5361-1979 Test conditions for machine tools Surface grinding machines with horizontal spindle and reciprocating table with transverse movement of the wheelhead 《车床验收规定 有横向polia.pdf 10

UNI 5361-1979 Test conditions for machine tools Surface grinding machines with horizontal spindle and reciprocating table with transverse movement of the wheelhead 《车床验收规定 有横向polia.pdfUNI 5361-1979 Test conditions for machine tools Surface grinding machines with horizontal spindle and reciprocating table with transverse movement of the wheelhead 《车床验收规定 有横向polia.pdf

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UNI 5294-1978 Mechanical tests of ferrous material Reverse bend test for steel wires 《含铁材料机械试验 钢丝的相互交替弯曲试验》.pdf 4

UNI 5294-1978 Mechanical tests of ferrous material Reverse bend test for steel wires 《含铁材料机械试验 钢丝的相互交替弯曲试验》.pdfUNI 5294-1978 Mechanical tests of ferrous material Reverse bend test for steel wires 《含铁材料机械试验 钢丝的相互交替弯曲试验》.pdf

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UNI 5293-1978 Mechanical tests of ferrous material Simple torsion test for steel wires 《含铁材料机械试验 钢丝单捻试验》.pdf 4

UNI 5293-1978 Mechanical tests of ferrous material Simple torsion test for steel wires 《含铁材料机械试验 钢丝单捻试验》.pdfUNI 5293-1978 Mechanical tests of ferrous material Simple torsion test for steel wires 《含铁材料机械试验 钢丝单捻试验》.pdf

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UNI 5190-1963 Principles for the compilation of safety regulations for railway services Instructions for train timetabling 《铁路操作安全和规定标准的编辑原则 火车行驶规则》.pdf 11

UNI 5190-1963 Principles for the compilation of safety regulations for railway services Instructions for train timetabling 《铁路操作安全和规定标准的编辑原则 火车行驶规则》.pdfUNI 5190-1963 Principles for the compilation of safety regulations for railway services Instructions for train timetabling 《铁路操作安全和规定标准的编辑原则 火车行驶规则》.pdf

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