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发明名称
Ion generator
摘要
申请公布号
US2499320(A)
申请公布日期
1950.02.28
申请号
US19470756438
申请日期
1947.06.23
申请人
ROBERT LOEVINGER
发明人
LOEVINGER ROBERT
分类号
H01J27/04
主分类号
H01J27/04
代理机构
代理人
主权项
地址
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