Document Type and Number:
Japanese Patent JPS5250661
Kind Code:
U
Application Number:
JP13736075U
Publication Date:
April 11, 1977
Filing Date:
October 08, 1975
Export Citation:
International Classes:
H01J23/12; H01J23/00; H01J25/00; H01P1/00; H01P5/08; H05B6/64; (IPC1-7): H01J23/00; H01J25/00; H01P1/00; H05B9/00
Domestic Patent References:
| JP49146862B |
Foreign References:
| US3315121A | 1967-04-18 |