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发明名称
Phonograph pick-up device
摘要
申请公布号
GB602261(A)
申请公布日期
1948.05.24
申请号
GB19450016498
申请日期
1945.06.28
申请人
PHILCO RADIO AND TELEVISION CORPORATION
发明人
分类号
H04R19/06
主分类号
H04R19/06
代理机构
代理人
主权项
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