标准查询 标准查询焊接和相关工艺 用软钎焊和硬钎焊接头 力学试验方法
Welding and allied processes; Assemblies made with soft solders and brazing filler metals; Mechanical test methods
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标准查询Welding and allied processes; Assemblies made with soft solders and brazing filler metals; Mechanical test methods
