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发明名称
Space current device
摘要
申请公布号
US1839886(A)
申请公布日期
1932.01.05
申请号
US19250058814
申请日期
1925.09.26
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
MOUROMTSEFF ILIA E.
分类号
H01J19/44
主分类号
H01J19/44
代理机构
代理人
主权项
地址
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