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发明名称
摘要
申请公布号
JPS5014039(B1)
申请公布日期
1975.05.24
申请号
JP19700090311
申请日期
1970.10.14
申请人
发明人
分类号
B24C3/06;B63B59/06;(IPC1-7):B60S3/02
主分类号
B24C3/06
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