DIN 86089-2008 与铜镍合金管路对接焊的配件 同心异径管
DIN 86089-2008 Fittings for butt welding into copper-nickel-alloy pipelines – Concentric reducers与铜镍合金管路对接焊的配件 同心异径管
谢谢您的分享,金币已奖励 DIN 86089-2008 与铜镍合金管路对接焊的配件 同心异径管 谢谢分享DIN 86089-2008 Fittings for butt welding into copper-nickel-alloy pipelines – Concentric reducers
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