Electric-electronic device for protecting against electric disturbances the public telephone sets connected to the telephone exchange by two telephone pairs,申请号IT1992BO00188-传众专利搜索

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发明名称	Electric-electronic device for protecting against electric disturbances the public telephone sets connected to the telephone exchange by two telephone pairs
摘要
申请公布号	IT1258539(B)	申请公布日期	1996.02.27
申请号	IT1992BO00188	申请日期	1992.05.20
申请人	FRULLA RENZO	发明人	FRULLA RENZO
分类号	H04M;(IPC1-7):H04M	主分类号	H04M
代理机构		代理人
主权项
地址

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