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经营范围
发明名称
Tunable magnetron tube
摘要
申请公布号
US2639406(A)
申请公布日期
1953.05.19
申请号
US19460638895
申请日期
1946.01.03
申请人
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF WAR
发明人
CRAWFORD FRANZO H.
分类号
H01J23/213
主分类号
H01J23/213
代理机构
代理人
主权项
地址
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