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发明名称
摘要
申请公布号	SU380715(A1)	申请公布日期	1973.05.15
申请号	SU19711691233	申请日期	1971.08.16
申请人		发明人
分类号	C21C5/04;(IPC1-7):C21C5/04	主分类号	C21C5/04
代理机构		代理人
主权项
地址

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