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法人/股东/高管

发明名称
摘要
申请公布号	CS176938(B1)	申请公布日期	1977.07.29
申请号	CS19750008120	申请日期	1975.12.01
申请人		发明人
分类号	B24B9/00;(IPC1-7):B24B9/00	主分类号	B24B9/00
代理机构		代理人
主权项
地址

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