KEY TELEPHONE SET SYSTEM,申请号JP19900155046-传众专利搜索

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发明名称	KEY TELEPHONE SET SYSTEM
摘要
申请公布号	JPH0447795(A)	申请公布日期	1992.02.17
申请号	JP19900155046	申请日期	1990.06.15
申请人	CANON INC	发明人	TANIGAWA YOSHIHIRO
分类号	H04Q3/58	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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