SIMULTANEOUS COMMAND METHOD IN PRIVATE BRANCH OF EXCHANGE NETWORK AND PRIVATE BRANCH OF EXCHANGE FOR THE METHOD,申请号JP19900221247-传众专利搜索

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发明名称	SIMULTANEOUS COMMAND METHOD IN PRIVATE BRANCH OF EXCHANGE NETWORK AND PRIVATE BRANCH OF EXCHANGE FOR THE METHOD
摘要
申请公布号	JPH04104644(A)	申请公布日期	1992.04.07
申请号	JP19900221247	申请日期	1990.08.24
申请人	HITACHI TELECOM TECHNOL LTD	发明人	NAGAO OSAMU;SUGA YOSHITAKA;KOMATSU MASAKI
分类号	H04M3/42;H04Q3/58	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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