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发明名称
摘要
申请公布号
JPS53143289(U)
申请公布日期
1978.11.11
申请号
JP19770048810U
申请日期
1977.04.18
申请人
发明人
分类号
B24B13/02;B24B13/00;B24B47/10;(IPC1-7):B24B47/10
主分类号
B24B13/02
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