PRIVATE BRANCH EXCHANGE,申请号JP19940306295-传众专利搜索

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发明名称	PRIVATE BRANCH EXCHANGE
摘要
申请公布号	JPH08163540(A)	申请公布日期	1996.06.21
申请号	JP19940306295	申请日期	1994.12.09
申请人	CANON INC	发明人	OBA HIDEO
分类号	H04N5/45;H04N7/18;H04Q3/545;(IPC1-7):H04N7/18	主分类号	H04N5/45
代理机构		代理人
主权项
地址

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