,申请号CS19710008640-传众专利搜索

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发明名称
摘要
申请公布号	CS177916(B3)	申请公布日期	1977.08.31
申请号	CS19710008640	申请日期	1971.12.13
申请人		发明人
分类号	G07G1/00;G07G5/00;(IPC1-7):G07G5/00	主分类号	G07G1/00
代理机构		代理人
主权项
地址

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