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发明名称
Improvements in headset
摘要
申请公布号
GB948670(A)
申请公布日期
1964.02.05
申请号
GB19610034532
申请日期
1961.09.26
申请人
THE ELECTRIC STORAGE BATTERY COMPANY
发明人
GONGOLL VERNON FREDERICK;SIMPSON JACK NEALE;BOYER CHARLES JACOB
分类号
H04R1/10
主分类号
H04R1/10
代理机构
代理人
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