EN ISO 15614-12-2004 Specification and qualification of welding procedures for metallic materials-Welding procedure - 無圖版
wongyatwah --- 2008-02-20 15:52:20
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EN ISO 15614-12:2004 Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 12: Spot, seam and projection welding