Document Type and Number:
Japanese Patent JPS5362166
Kind Code:
U
Application Number:
JP14562176U
Publication Date:
May 26, 1978
Filing Date:
October 29, 1976
Export Citation:
International Classes:
H01J61/34; H01J61/52; H01J61/98; (IPC1-7): H01J61/34; H01J61/98
Domestic Patent References:
| JP46021435A | ||||
| JP43017790A | ||||
| JPS472098A | 1972-02-01 | |||
| JPS321884Y1 |