FEEDING ANCILLARY ANCILLARY DEVICE TO TELEPHONE SWITCHING CIRCUIT,申请号GB19860015297-传众专利搜索

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发明名称	FEEDING ANCILLARY ANCILLARY DEVICE TO TELEPHONE SWITCHING CIRCUIT
摘要
申请公布号	GB8615297(D0)	申请公布日期	1986.07.30
申请号	GB19860015297	申请日期	1986.06.23
申请人	SODECO-SAIA AG	发明人
分类号	A61C13/267;H04M19/08;(IPC1-7):H04M19/00	主分类号	A61C13/267
代理机构		代理人
主权项
地址

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