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发明名称
Telephone loudspeaker enclosure
摘要
申请公布号
EP0978978(A3)
申请公布日期
2003.04.02
申请号
EP19990111416
申请日期
1999.06.11
申请人
SIEMENS INFORMATION AND COMMUNICATION NETWORKS INC.
发明人
KELLY, DANIEL B.;KIHNEMAN, JOHN B.;MCKINNON, WAYNE E.
分类号
H04R1/02;H04M1/02;H04M1/03;H04M1/20;(IPC1-7):H04M1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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