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美标与国标金属材质对照表

美标与国标金属材质对照表
美标与国标金属材质对照表

MATERIAL CONVERSION/SUBSTITUTION TO CHINESE STANDARD MATERIAL (Including Attachments and internals)

MATERIAL CONVERSION/SUBSTITUTION TO CHINESE STANDARD MATERIAL (Including Attachments and internals)

MATERIAL CONVERSION/SUBSTITUTION TO CHINESE STANDARD MATERIAL (Including Attachments and internals)

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