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经营范围
发明名称
Closed end magnetron
摘要
申请公布号
US2639407(A)
申请公布日期
1953.05.19
申请号
US19460660604
申请日期
1946.04.09
申请人
UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF WAR
发明人
JR. WILLIS E. LAMB,
分类号
H01J25/593
主分类号
H01J25/593
代理机构
代理人
主权项
地址
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