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["GB/T9113.1-9s113.1 Schrauseleisen fü r Kohleenschichten, -Was genau ist es fch Schhau?", "H Suche : Schchaueisen f fü r Kohhenschichten, , die g der NormenstandGB/T-91--Was genau ist es SchSchau? Die Normen geben es Antwort.", "Es es die alte Normen,, Die neue Version wurde in GB/T91- eingear.",,"GB/T91-"]

2018-12-08View Original

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求助 :煤矿用的法兰 ,给的标准是GB/T9113.1-.2 到底是什么法兰,那个标准有
Reply #22018-12-08
是老标准,新的2010版的合并为9113了。
Reply #32019-05-29
GB/T9113-2010

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