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经营范围
发明名称
Cathode ray tube
摘要
申请公布号
US2273793(A)
申请公布日期
1942.02.17
申请号
US19400328819
申请日期
1940.04.10
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
EKSTRAND STURE O.
分类号
H01J31/08;H04N1/032
主分类号
H01J31/08
代理机构
代理人
主权项
地址
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