BRANCH CONNECTION SYSTEM BETWEEN TELEPHONE SET AND SPEAKER FOR WIRED BROADCAST TELEPHONE CALL,申请号JP19920048889-传众专利搜索

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发明名称	BRANCH CONNECTION SYSTEM BETWEEN TELEPHONE SET AND SPEAKER FOR WIRED BROADCAST TELEPHONE CALL
摘要
申请公布号	JP3104374(B2)	申请公布日期	2000.10.30
申请号	JP19920048889	申请日期	1992.03.05
申请人		发明人
分类号	F02D45/00;F02M25/08;(IPC1-7):F02M25/08	主分类号	F02D45/00
代理机构		代理人
主权项
地址

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