Document Type and Number:
Japanese Patent JPS4983370
Kind Code:
A
More Like This:
Application Number:
JP12475372A
Publication Date:
August 10, 1974
Filing Date:
December 14, 1972
Export Citation:
International Classes:
H01J9/24; H01J5/46; H01J9/14; H01J31/15; H05K3/20
Domestic Patent References:
JP42019028A |
Foreign References:
US0332715A | 1885-12-22 |