Document Type and Number:
Japanese Patent JPS4410695
Kind Code:
Y1
Application Number:
JP9109666U
Publication Date:
April 30, 1969
Filing Date:
September 29, 1966
Export Citation:
International Classes:
H01J31/20; H01J29/02; H01J29/07; (IPC1-7): H01J29/07; H01J31/20