電話システムおよびその動作方法,申请号JP20120061772-传众专利搜索

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发明名称	電話システムおよびその動作方法
摘要
申请公布号	JP5681137(B2)	申请公布日期	2015.03.04
申请号	JP20120061772	申请日期	2012.03.19
申请人		发明人
分类号	H04M3/54	主分类号	H04M3/54
代理机构		代理人
主权项
地址

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