Title:
【考案の名称】電子管
Document Type and Number:
Japanese Patent JPS607147
Kind Code:
U
Inventors:
Hosokoshi Akira
Application Number:
JP9900283U
Publication Date:
January 18, 1985
Filing Date:
June 27, 1983
Export Citation:
International Classes:
H01J7/22; H01J5/02; H01J9/385; H01J19/72; (IPC1-7): H01J19/72; H01J9/385
Next Patent: MANUFACTURE OF SEMICONDUCTOR DEVICE