KEY TELEPHONE SYSTEM,申请号JP19910122390-传众专利搜索

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发明名称	KEY TELEPHONE SYSTEM
摘要
申请公布号	JPH04324740(A)	申请公布日期	1992.11.13
申请号	JP19910122390	申请日期	1991.04.24
申请人	NITSUKO CORP	发明人	TAMURA MAKOTO
分类号	H04M3/42;H04M3/533;H04Q3/58	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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