Устройство для включения говорящих часов в АТС,申请号SU19400309288-传众专利搜索

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发明名称	Устройство для включения говорящих часов в АТС
摘要
申请公布号	SU68093(A1)	申请公布日期	1946.11.30
申请号	SU19400309288	申请日期	1940.03.27
申请人	NIKITIN N.A.;FEDOSEEV A.K.	发明人	NIKITIN N.A.;FEDOSEEV A.K.
分类号	H04M11/10	主分类号	H04M11/10
代理机构		代理人
主权项
地址

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