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申请公布号
JPS5440593(U)
申请公布日期
1979.03.17
申请号
JP19770114131U
申请日期
1977.08.26
申请人
发明人
分类号
B24B9/14;(IPC1-7):B24B9/14
主分类号
B24B9/14
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