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发明名称
Discharge device and method of making
摘要
申请公布号
US2279831(A)
申请公布日期
1942.04.14
申请号
US19410391124
申请日期
1941.04.30
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
LEMPERT JOSEPH;STEWART NELSON H.
分类号
H01J19/28
主分类号
H01J19/28
代理机构
代理人
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地址
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