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发明名称
Focusing mechanism for cathode-ray tubes
摘要
申请公布号
US2466331(A)
申请公布日期
1949.04.05
申请号
US19470742446
申请日期
1947.04.18
申请人
THE RAULAND CORPORATION
发明人
SCHNABLE GEORGE K.
分类号
H04N5/74
主分类号
H04N5/74
代理机构
代理人
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地址
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