,申请号SU19731912436-传众专利搜索

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发明名称
摘要
申请公布号	SU448228(A1)	申请公布日期	1974.10.30
申请号	SU19731912436	申请日期	1973.04.23
申请人		发明人
分类号	C21C5/04;(IPC1-7):21C5/04	主分类号	C21C5/04
代理机构		代理人
主权项
地址

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