METHOD OF AUTOMATICALLY TRANSMITTING SPOKEN ANNOUNCEMENTS,PARTICULARY TO ELECTRONIC TELEPHONE EXCHANGE SUBSCRIBERS,申请号PL19770197082-传众专利搜索

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发明名称	METHOD OF AUTOMATICALLY TRANSMITTING SPOKEN ANNOUNCEMENTS,PARTICULARY TO ELECTRONIC TELEPHONE EXCHANGE SUBSCRIBERS
摘要
申请公布号	PL102334(B1)	申请公布日期	1979.03.31
申请号	PL19770197082	申请日期	1977.03.30
申请人		发明人
分类号	H04M;H04M3/42;H04M11/10;(IPC1-7):H04M11/10	主分类号	H04M
代理机构		代理人
主权项
地址

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