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发明名称
Electron discharge device
摘要
申请公布号
GB611912(A)
申请公布日期
1948.11.05
申请号
GB19450022802
申请日期
1945.09.04
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H01J19/80
主分类号
H01J19/80
代理机构
代理人
主权项
地址
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