Document Type and Number:
Japanese Patent JPS5476665
Kind Code:
U
Application Number:
JP15148377U
Publication Date:
May 31, 1979
Filing Date:
November 10, 1977
Export Citation:
International Classes:
H01J23/10; H01J25/50; (IPC1-7): H01J25/50; H01J23/10
Domestic Patent References:
| JPS50147277A | 1975-11-26 |