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发明名称
Electrical apparatus
摘要
申请公布号
US2480194(A)
申请公布日期
1949.08.30
申请号
US19440532861
申请日期
1944.04.26
申请人
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF WAR
发明人
MONTGOMERY CAROL G.
分类号
H01J17/04
主分类号
H01J17/04
代理机构
代理人
主权项
地址
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