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发明名称
摘要
申请公布号
JPS51154774(U)
申请公布日期
1976.12.09
申请号
JP19750073751U
申请日期
1975.05.30
申请人
发明人
分类号
B25D11/12;B25D11/00;(IPC1-7):B25D11/00
主分类号
B25D11/12
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代理人
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