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发明名称
Closure for phonographs
摘要
申请公布号
US2538392(A)
申请公布日期
1951.01.16
申请号
US19470773129
申请日期
1947.09.10
申请人
THOMAS A. EDISON, INCORPORATED
发明人
SOMERS RICHARD M.
分类号
G11B23/03
主分类号
G11B23/03
代理机构
代理人
主权项
地址
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