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发明名称
Mass spectrometer
摘要
申请公布号
US2331190(A)
申请公布日期
1943.10.05
申请号
US19400349395
申请日期
1940.08.02
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
JR. JOHN A. HIPPLE,
分类号
H01J49/02
主分类号
H01J49/02
代理机构
代理人
主权项
地址
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