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发明名称	WIRE BROADCASTING TELEPHONE EXCHANGE
摘要
申请公布号	JPH0918431(A)	申请公布日期	1997.01.17
申请号	JP19950163169	申请日期	1995.06.29
申请人	NEC CORP	发明人	SHIRAISHI KATSUMI
分类号	H04H20/81;H04M3/42;(IPC1-7):H04H1/08	主分类号	H04H20/81
代理机构		代理人
主权项
地址

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