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经营范围
发明名称
RADIOTELEPHONE HAVING A NON-RESONANT WAVE GUIDE ACOUSTICALLY COUPLED TO A MICROPHONE
摘要
申请公布号
EP0937356(A1)
申请公布日期
1999.08.25
申请号
EP19970946314
申请日期
1997.10.24
申请人
ERICSSON, INC.
发明人
RABE, KARL, W.
分类号
H04M1/02;H04M1/03;H04R1/22;H04R1/34;(IPC1-7):H04M1/02;H04R1/20
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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