ASTM A139/A139M-04 Standard Specification for Electric-Fusion (Arc)-Welded - 仪器网,仪器信息网,计量论坛

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ASTM A139/A139M-04 Standard Specification for Electric-Fusion (Arc)-Welded

  leunghb · 2009-12-09 11:25 · 44614 次点击

ASTMA139/A139M-04StandardSpecificationforElectric-Fusion(Arc)-WeldedSteelPipe(NPS4andOver)
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 标准手册, a139, a139m, standard, specification, electric, fusion, welded

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