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发明名称
摘要
申请公布号	SU377345(A1)	申请公布日期	1973.04.17
申请号	SU19701476232	申请日期	1970.10.07
申请人		发明人
分类号	C21D1/52;C21D1/74;C21D9/00;F27D7/00;F27D7/06;(IPC1-7):C21D9/00	主分类号	C21D1/52
代理机构		代理人
主权项
地址

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