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发明名称
摘要
申请公布号
JPS5640889(U)
申请公布日期
1981.04.15
申请号
JP19790121996U
申请日期
1979.08.31
申请人
发明人
分类号
B23P21/00;B23K11/00;B23P19/00;(IPC1-7):B23K11/32
主分类号
B23P21/00
代理机构
代理人
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