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发明名称
Electron discharge device
摘要
申请公布号
US2698397(A)
申请公布日期
1954.12.28
申请号
US19480036326
申请日期
1948.07.01
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
LEFCOURT STANLEY W.;MAYER ROBERT
分类号
H01J1/32;H01J43/02
主分类号
H01J1/32
代理机构
代理人
主权项
地址
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