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发明名称
摘要
申请公布号	DE2223442(C3)	申请公布日期	1978.04.06
申请号	DE19722223442	申请日期	1972.05.13
申请人	DR. C. OTTO & CO GMBH, 4630 BOCHUM	发明人	DREBES, FRIEDRICH-WILHELM, 4630 BOCHUM
分类号	C21B9/02;C21B9/00;C21B9/10;(IPC1-7):C21B9/04	主分类号	C21B9/02
代理机构		代理人
主权项
地址

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