Title:
【考案の名称】交叉電磁界増幅管
Document Type and Number:
Japanese Patent JPH04129459
Kind Code:
U
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Inventors:
Yasuhiko Koide
Application Number:
JP4477291U
Publication Date:
November 26, 1992
Filing Date:
May 20, 1991
Export Citation:
International Classes:
H01J23/00; H01J23/033; H01J25/00; (IPC1-7): H01J23/033; H01J25/00