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发明名称
摘要
申请公布号	SU554290(A1)	申请公布日期	1977.04.15
申请号	SU19762312882	申请日期	1976.01.14
申请人		发明人
分类号	C21B7/22;(IPC1-7):C21B7/22	主分类号	C21B7/22
代理机构		代理人
主权项
地址

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