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发明名称
摘要
申请公布号
JPS5750139(Y2)
申请公布日期
1982.11.02
申请号
JP19770098601U
申请日期
1977.07.23
申请人
发明人
分类号
B23K9/28;B23K9/12;B23K9/30;B23K37/00;(IPC1-7):B23K9/12
主分类号
B23K9/28
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