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发明名称
Detachable liner for headsets
摘要
申请公布号
US3030458(A)
申请公布日期
1962.04.17
申请号
US19580767808
申请日期
1958.10.17
申请人
THE ELECTRIC STORAGE BATTERY COMPANY
发明人
GONGOLL VERNON F.
分类号
H04M1/05;H04R1/10
主分类号
H04M1/05
代理机构
代理人
主权项
地址
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