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发明名称
Improvements in high voltage electrical switching devices
摘要
申请公布号
GB632718(A)
申请公布日期
1949.12.05
申请号
GB19470015959
申请日期
1947.06.17
申请人
THE BRITISH THOMSON HOUSTON COMPANY LIMITED;ALBERT ROXBURGH
发明人
分类号
H01H33/14
主分类号
H01H33/14
代理机构
代理人
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地址
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