Document Type and Number:
Japanese Patent JPS5299763
Kind Code:
U
Application Number:
JP783976U
Publication Date:
July 28, 1977
Filing Date:
January 26, 1976
Export Citation:
International Classes:
H01J29/88; H01J29/02; (IPC1-7): H01J29/02
Domestic Patent References:
| JP46019261A |