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发明名称
摘要
申请公布号
FR2241375(B1)
申请公布日期
1978.05.26
申请号
FR19730030159
申请日期
1973.08.20
申请人
ALUMINUM CY OF AMERICA
发明人
分类号
B23K35/28;(IPC1-7):B23K35/22
主分类号
B23K35/28
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