发明名称 METHOD AND SYSTEM FOR PRODUCING WHEN A CALL IS RECEIVED ON A STANDARD PORTABLE TELEPHONE, A SOUND SIGNAL AS POWERFUL AS A DOMESTIC TELEPHONE SET RINGING SIGNAL
摘要
申请公布号 EP1145532(A2) 申请公布日期 2001.10.17
申请号 EP19990926583 申请日期 1999.07.01
申请人 TAN YUAN INDUSTRIAL, LTD. 发明人 TRAVERE, RENE;FATER, VLADIMIR
分类号 H04M1/00;H04M1/11;H04M1/72;H04Q7/32;(IPC1-7):H04M1/00 主分类号 H04M1/00
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