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发明名称
Radio frequency mass spectrometer
摘要
申请公布号
US2721271(A)
申请公布日期
1955.10.18
申请号
US19540456983
申请日期
1954.09.20
申请人
BENNETT WILLARD H
发明人
BENNETT WILLARD H.
分类号
H01J49/38
主分类号
H01J49/38
代理机构
代理人
主权项
地址
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