Document Type and Number:
Japanese Patent JPS5389160
Kind Code:
U
More Like This:
Application Number:
JP17233176U
Publication Date:
July 21, 1978
Filing Date:
December 21, 1976
Export Citation:
International Classes:
H01J17/48; H01J17/49; (IPC1-7): H01J17/48; H01J17/16
Domestic Patent References:
| JPS463027A | ||||
| JPS49110269A | 1974-10-21 | |||
| JPS479169A |