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发明名称
摘要
申请公布号
FR2181851(A1)
申请公布日期
1973.12.07
申请号
FR19730011016
申请日期
1973.03.21
申请人
IBM,US
发明人
分类号
B23K1/00;B23K1/018;B23K35/00;H05K3/34;(IPC1-7):01L7/68;01L1/14;01L19/00;05K3/34
主分类号
B23K1/00
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代理人
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