Document Type and Number:
Japanese Patent JPS4217126
Kind Code:
Y1
Application Number:
JP4301565U
Publication Date:
October 03, 1967
Filing Date:
May 31, 1965
Export Citation:
International Classes:
H01J1/36; H01J1/88; H01J1/94; (IPC1-7): H01J1/36; H01J1/94