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发明名称
Viewing screen
摘要
申请公布号
US2510344(A)
申请公布日期
1950.06.06
申请号
US19450583356
申请日期
1945.03.17
申请人
RADIO CORPORATION
发明人
LAW RUSSELL R.
分类号
G03B21/62
主分类号
G03B21/62
代理机构
代理人
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