,申请号JP19770108883-传众专利搜索

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法人/股东/高管

发明名称
摘要	PURPOSE:To prevent the wrong trunk call caused by the hooking operation by opening the DC-type coupling of the main wire outgoing trunk for a fixed time at PBX.
申请公布号	JPS6027474(B2)	申请公布日期	1985.06.28
申请号	JP19770108883	申请日期	1977.09.12
申请人	FUJITSU LTD	发明人	HASHIMOTO SHIGEKI;SATO AKIO;SEKIGUCHI JIRO;ITSUHONGI MORITAKA
分类号	H04Q3/58;H04Q3/62	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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