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ISO 15614-4-2005Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 4 Finishing welding of aluminium castings.pdf

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ISO 15614-4-2005Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 4 Finishing welding of aluminium castings
ISO 15614-4-2005 金属材料焊接程序的规范和鉴定.焊接程序试验第4部分铸铝焊接

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