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发明名称
Mass spectrometer
摘要
申请公布号
US2587555(A)
申请公布日期
1952.02.26
申请号
US19480056571
申请日期
1948.10.26
申请人
SUN OIL COMPANY
发明人
WEISS ERIC A.
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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