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法人/股东/高管

发明名称
摘要
申请公布号	DE2216716(A1)	申请公布日期	1972.10.26
申请号	DE19722216716	申请日期	1972.04.07
申请人		发明人
分类号	B21B3/00;C22C18/04;C22F1/16;(IPC1-7):B21B3/00	主分类号	B21B3/00
代理机构		代理人
主权项
地址

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