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发明名称
Cathode ray device
摘要
申请公布号
US2165308(A)
申请公布日期
1939.07.11
申请号
US19370134068
申请日期
1937.03.31
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SKELLETT ALBERT M.
分类号
H01J31/04
主分类号
H01J31/04
代理机构
代理人
主权项
地址
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