SERVICE INFORMATION TONE TRANSMITTING SYSTEM,申请号JP19880149695-传众专利搜索

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发明名称	SERVICE INFORMATION TONE TRANSMITTING SYSTEM
摘要
申请公布号	JPH01317070(A)	申请公布日期	1989.12.21
申请号	JP19880149695	申请日期	1988.06.17
申请人	NEC CORP	发明人	KOBAYASHI TSUNEO
分类号	H04M19/02	主分类号	H04M19/02
代理机构		代理人
主权项
地址

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