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经营范围
发明名称
Improvements in or relating to cooling jackets for electric discharge tubes
摘要
申请公布号
GB721567(A)
申请公布日期
1955.01.05
申请号
GB19520019516
申请日期
1952.08.01
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H01J19/36
主分类号
H01J19/36
代理机构
代理人
主权项
地址
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