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经营范围
发明名称
Improvements in or relating to biasing circuits for electron discharge tube circuit arrangements
摘要
申请公布号
GB539603(A)
申请公布日期
1941.09.17
申请号
GB19400008972
申请日期
1940.05.20
申请人
AMALGAMATED WIRELESS (AUSTRALASIA) LIMITED
发明人
分类号
H03F1/54
主分类号
H03F1/54
代理机构
代理人
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