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发明名称
Adjustable magnetic electronic lens
摘要
申请公布号
US2749464(A)
申请公布日期
1956.06.05
申请号
US19530372239
申请日期
1953.08.04
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
POOLE JAN BART LE
分类号
H01J37/14
主分类号
H01J37/14
代理机构
代理人
主权项
地址
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