BS 4871-2-1982 Approval testing of welders working to approved welding procedures Part 2. TIG or MIG

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语言版本：英文版

标准类别：国外标准

关键词： BS 4871 1982 Approval testing

标准简介

BS 4871-2-1982 Approval testing of welders working to approved welding procedures Part 2. TIG or MIG welding of alumonium and its alloys