Title:
【考案の名称】電子管
Document Type and Number:
Japanese Patent JPS58168054
Kind Code:
U
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Inventors:
Takebe Katsuro
Application Number:
JP6608382U
Publication Date:
November 09, 1983
Filing Date:
May 06, 1982
Export Citation:
International Classes:
H01J7/24; (IPC1-7): H01J7/24