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法人/股东/高管

发明名称
摘要
申请公布号	DD115508(A5)	申请公布日期	1975.10.05
申请号	DD19740182871	申请日期	1974.12.07
申请人		发明人
分类号	C22C38/40;(IPC1-7):C22C39/22	主分类号	C22C38/40
代理机构		代理人
主权项
地址

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