CONFERENCE TELEPHONE DEVICE AND ITS CONTROLLING METHOD,申请号JP19840009595-传众专利搜索

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发明名称	CONFERENCE TELEPHONE DEVICE AND ITS CONTROLLING METHOD
摘要
申请公布号	JPS59138158(A)	申请公布日期	1984.08.08
申请号	JP19840009595	申请日期	1984.01.24
申请人	WESTERN ELECTRIC CO INC	发明人	DAIAN ERAIN HAA;RADEII AAUIN SUUKU;DEIBUITSUDO FUIIRUDO UINCHIERU
分类号	H04M3/56	主分类号	H04M3/56
代理机构		代理人
主权项
地址

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