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发明名称
Method and apparatus for controlling electron beams
摘要
申请公布号
US2898493(A)
申请公布日期
1959.08.04
申请号
US19560588443
申请日期
1956.05.31
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
BURDICK GLEN A.
分类号
H01J29/70
主分类号
H01J29/70
代理机构
代理人
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地址
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