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发明名称
ENHANCED COMMUNICATIONS SERVICES FOR THE DEAF AND HARD OF HEARING
摘要
申请公布号
EP1423970(A2)
申请公布日期
2004.06.02
申请号
EP20020796454
申请日期
2002.09.03
申请人
COMMUNICATION SERVICE FOR THE DEAF
发明人
BRAVIN, PHILIP, WILLIAM;SOUKUP, BENJAMIN, JOHN, JR.;GERLOFF, RANDY, ARTHUR
分类号
G09B21/00;(IPC1-7):H04M11/00
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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