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发明名称
摘要
申请公布号
JPS63166361(U)
申请公布日期
1988.10.28
申请号
JP19870059746U
申请日期
1987.04.20
申请人
发明人
分类号
B23B51/04;B24D7/18;B28D1/14;(IPC1-7):B24D7/18
主分类号
B23B51/04
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代理人
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