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发明名称
Adjustable focusing coil
摘要
申请公布号
US2648036(A)
申请公布日期
1953.08.04
申请号
US19460653909
申请日期
1946.03.12
申请人
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
发明人
WALTON CECIL E.
分类号
H01J29/66
主分类号
H01J29/66
代理机构
代理人
主权项
地址
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