Improvements in or relating to electron gun structures suitable for use in cathode ray tubes, cathode ray beam amplifier valves and like electron discharge devices
摘要
申请公布号
GB454258(A)
申请公布日期
1936.09.28
申请号
GB19350009574
申请日期
1935.03.27
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;GEORGE MAURICE WRIGHT;GEORGE FAIRBURN BRETT
