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发明名称
Mass spectrometer
摘要
申请公布号
US2642535(A)
申请公布日期
1953.06.16
申请号
US19460704116
申请日期
1946.10.18
申请人
RADIO CORPORATION
发明人
SCHROEDER ALFRED C.
分类号
H01J49/40
主分类号
H01J49/40
代理机构
代理人
主权项
地址
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