,申请号PL19740168743-传众专利搜索

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发明名称
摘要
申请公布号	PL87998(B1)	申请公布日期	1976.07.31
申请号	PL19740168743	申请日期	1974.02.11
申请人		发明人
分类号	C21B7/16;F27B1/10;(IPC1-7):C21B7/16	主分类号	C21B7/16
代理机构		代理人
主权项
地址

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