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发明名称
Mass separators
摘要
申请公布号
US2874295(A)
申请公布日期
1959.02.17
申请号
US19460645465
申请日期
1946.02.04
申请人
FRANK OPPENHEIMER;BELL JAMES W
发明人
OPPENHEIMER FRANK;BELL JAMES W.
分类号
H01J49/12
主分类号
H01J49/12
代理机构
代理人
主权项
地址
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