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发明名称
EAR DEFENDER
摘要
申请公布号
GB2118399(A)
申请公布日期
1983.10.26
申请号
GB19830010002
申请日期
1983.04.13
申请人
THE * MARCONI COMPANY LIMITED
发明人
PETER * TELFORD
分类号
A61F11/14;(IPC1-7):H04M1/03
主分类号
A61F11/14
代理机构
代理人
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