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发明名称
A PERSONAL COMMUNICATION DEVICE
摘要
<p>The present invention provides a communication device for use in coaching and sports events. The invention includes, in one embodiment, a waterproof radio receiver embodied in a helmet.</p>
申请公布号
WO2004114533(A1)
申请公布日期
2004.12.29
申请号
WO2004AU00831
申请日期
2004.06.24
申请人
ELLIS, MARK
发明人
ELLIS, MARK
分类号
A42B3/30;A63B71/10;H04B1/08;H04B1/38;(IPC1-7):H04B1/38;H04M1/05;H04B1/06
主分类号
A42B3/30
代理机构
代理人
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