AFNOR NF EN 4549 2014.12.19 Aerospace series - Pipe coupling, in heat resisting

匿名 发表于 2019-11-24 15:26:45 |阅读模式

AFNOR NF EN 4549 2014.12.19 Aerospace series - Pipe coupling, in heat resisting steel or in heat resisting nickel alloy - Coupling end, welded - Design configuration - Inch series

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