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发明名称
Thunderstorm or electric field and potential indicator
摘要
申请公布号
US1919215(A)
申请公布日期
1933.07.25
申请号
US19300436478
申请日期
1930.03.17
申请人
ROSS GUNN
发明人
GUNN ROSS
分类号
G01R1/30;G01W1/16
主分类号
G01R1/30
代理机构
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