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发明名称
Apertured coaxial tube quadripole lens
摘要
申请公布号
US3176181(A)
申请公布日期
1965.03.30
申请号
US19600065992
申请日期
1960.10.31
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
BLACKLER FRANCIS GEOFFREY;SKOYLES DEREK ROBERT
分类号
H01J29/56;H01J29/62
主分类号
H01J29/56
代理机构
代理人
主权项
地址
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