Document Type and Number:
Japanese Patent JPS4939066
Kind Code:
Y1
Application Number:
JP10324769U
Publication Date:
October 26, 1974
Filing Date:
October 30, 1969
Export Citation:
International Classes:
H01J29/76; H01F41/08; H01J29/70; (IPC1-7): H01F41/08; H01J29/70; H01J29/76