Document Type and Number:
Japanese Patent JPS4982661
Kind Code:
U
Application Number:
JP12797272U
Publication Date:
July 17, 1974
Filing Date:
November 06, 1972
Export Citation:
International Classes:
H01J3/02; H01J29/50; H04N9/29; (IPC1-7): H01J29/50; H01J3/02; H04N9/29
Domestic Patent References:
JPS4882770A | 1973-11-05 | |||
JPS4714956A |