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经营范围
发明名称
Ion source for a mass spectrometer with specific electrode structure to accelerate and focus ions
摘要
申请公布号
US3379874(A)
申请公布日期
1968.04.23
申请号
US19640378910
申请日期
1964.06.29
申请人
BELL & HOWELL COMPANY
发明人
BAKER CLARENCE WILLIAM
分类号
H01J49/18
主分类号
H01J49/18
代理机构
代理人
主权项
地址
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