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发明名称
摘要
申请公布号
FR2351489(B1)
申请公布日期
1981.08.07
申请号
FR19770013969
申请日期
1977.05.06
申请人
VARIAN ASSOCIATES
发明人
分类号
H01J9/04;H01J1/28;H01J1/46;H01J1/48;H01J3/02;H01J9/14;H01J19/14;H01J23/02;H01J23/06;H01J23/065;(IPC1-7):H01J1/20
主分类号
H01J9/04
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