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发明名称
APPARATUS AND METHODS FOR SEPARATING ELECTRONS FROM IONS
摘要
申请公布号
US3629574(A)
申请公布日期
1971.12.21
申请号
USD3629574
申请日期
1969.01.28
申请人
FRANKLIN GNO CORP.
发明人
DAVID I. CARROLL
分类号
G01N27/64;H01J49/34;(IPC1-7):H01J39/34;B01D59/44
主分类号
G01N27/64
代理机构
代理人
主权项
地址
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