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经营范围
发明名称
Electron multipliers
摘要
申请公布号
GB495843(A)
申请公布日期
1938.11.21
申请号
GB19380006854
申请日期
1937.05.21
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H01J43/04;H03C1/16
主分类号
H01J43/04
代理机构
代理人
主权项
地址
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