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发明名称	KEY TELEPHONE SET
摘要
申请公布号	JPH03145299(A)	申请公布日期	1991.06.20
申请号	JP19890283591	申请日期	1989.10.31
申请人	MATSUSHITA ELECTRIC IND CO LTD	发明人	TAKEHISA YOSHIHIRO
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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