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摘要
申请公布号
JPS6454979(U)
申请公布日期
1989.04.05
申请号
JP19870148255U
申请日期
1987.09.30
申请人
发明人
分类号
B23K9/12;B25J5/04;(IPC1-7):B23K9/12
主分类号
B23K9/12
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