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发明名称
Improvements in or relating to electrical apparatus by utilisation of phenomena associated with the ionisation of gases
摘要
申请公布号
GB365649(A)
申请公布日期
1932.01.25
申请号
GB19300032079
申请日期
1930.10.25
申请人
WILLIAM JAMES JOHN
发明人
分类号
G01R15/14
主分类号
G01R15/14
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代理人
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