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经营范围
发明名称
Improvements in or relating to electron discharge device circuit arrangements
摘要
申请公布号
GB470085(A)
申请公布日期
1937.08.09
申请号
GB19360003929
申请日期
1936.02.08
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;NOEL MEYER RUST;ERNEST FREDERICK GOODENOUGH
发明人
分类号
H03F1/36;H03F3/32
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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