DEVICE FOR TRANSMITTING MESSAGES ABOUT TELEPHONE CALL FEES,申请号SU19752308568-传众专利搜索

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发明名称	DEVICE FOR TRANSMITTING MESSAGES ABOUT TELEPHONE CALL FEES
摘要
申请公布号	SU579704(A1)	申请公布日期	1977.11.05
申请号	SU19752308568	申请日期	1975.12.25
申请人	POLIONOV VYACHESLAV M,SU	发明人	POLIONOV VYACHESLAV M,SU
分类号	H04M15/14;(IPC1-7):H04M15/14	主分类号	H04M15/14
代理机构		代理人
主权项
地址

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