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发明名称
摘要
申请公布号
JPS55179779(U)
申请公布日期
1980.12.24
申请号
JP19790082304U
申请日期
1979.06.13
申请人
发明人
分类号
B25B23/157;B25B23/14;F16D7/04;(IPC1-7):B25B23/14
主分类号
B25B23/157
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