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发明名称
Improvements in or relating to high frequency electron discharge apparatus
摘要
申请公布号
GB596567(A)
申请公布日期
1948.01.07
申请号
GB19440001818
申请日期
1944.01.31
申请人
SPERRY GYROSCOPE COMPANY INC.
发明人
分类号
H01J25/74
主分类号
H01J25/74
代理机构
代理人
主权项
地址
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