Document Type and Number:
Japanese Patent JPS5213773
Kind Code:
U
Application Number:
JP10000175U
Publication Date:
January 31, 1977
Filing Date:
July 17, 1975
Export Citation:
International Classes:
H01J23/00; H01J25/50; (IPC1-7): H01J23/00; H01J25/50
Domestic Patent References:
| JPS4741367A | ||||
| JPS482048U | 1973-01-11 |