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发明名称
Mass spectrometry
摘要
申请公布号
US2699505(A)
申请公布日期
1955.01.11
申请号
US19520311199
申请日期
1952.09.24
申请人
GENERAL ELECTRIC COMPANY
发明人
USHER THOMAS E.;JERNAKOFF GEORGE
分类号
H01J49/04
主分类号
H01J49/04
代理机构
代理人
主权项
地址
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