Telephone in use indicator (line busy lamp),申请号GB19840003964-传众专利搜索

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发明名称	Telephone in use indicator (line busy lamp)
摘要
申请公布号	GB2154392(A)	申请公布日期	1985.09.04
申请号	GB19840003964	申请日期	1984.02.15
申请人	PETER * HENDERSON	发明人	PETER * HENDERSON
分类号	H04M1/82;(IPC1-7):H04M1/68	主分类号	H04M1/82
代理机构		代理人
主权项
地址

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