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发明名称
Electrical discharge device
摘要
申请公布号
US2297492(A)
申请公布日期
1942.09.29
申请号
US19400369846
申请日期
1940.12.12
申请人
GUNTER MICHAELIS
发明人
MICHAELIS GUNTER
分类号
H01J5/26;H01J21/36;H01J43/28
主分类号
H01J5/26
代理机构
代理人
主权项
地址
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