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发明名称
AUTOMATIC FOCUSING OF ELECTRON MICROSCOPES
摘要
申请公布号
US3509275(A)
申请公布日期
1970.04.28
申请号
USD3509275
申请日期
1967.05.31
申请人
ASSOCIATED ELECTRICAL IND. LTD.
发明人
EDWARD M. DEELEY;CLAUDE D. CURLING;JOHN A. TEMPLE
分类号
H01J37/21;H01J37/24
主分类号
H01J37/21
代理机构
代理人
主权项
地址
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