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法人/股东/高管

发明名称
摘要
申请公布号	SU554091(A1)	申请公布日期	1977.04.15
申请号	SU19762310909	申请日期	1976.01.06
申请人		发明人
分类号	B23D21/00;(IPC1-7):B23D21/00	主分类号	B23D21/00
代理机构		代理人
主权项
地址

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