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经营范围
发明名称
Improvements in or relating to voltage and like regulating systems utilizing discharge valves
摘要
申请公布号
GB472326(A)
申请公布日期
1937.09.22
申请号
GB19360008855
申请日期
1936.03.25
申请人
NORMAN WILLIAM JAMES LEWIS
发明人
分类号
G05F1/52
主分类号
G05F1/52
代理机构
代理人
主权项
地址
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