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经营范围
发明名称
Improvements in or relating to electric discharge devices
摘要
申请公布号
GB733694(A)
申请公布日期
1955.07.20
申请号
GB19520018212
申请日期
1952.07.18
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
GOLD WILLIAM ALEXANDER
分类号
H01J17/34
主分类号
H01J17/34
代理机构
代理人
主权项
地址
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