Document Type and Number:
Japanese Patent JPS504661
Kind Code:
U
Application Number:
JP5696773U
Publication Date:
January 18, 1975
Filing Date:
May 14, 1973
Export Citation:
International Classes:
H01J1/36; H01J29/02; H01J31/15; (IPC1-7): H01J29/02; H01J1/36
Domestic Patent References:
| JPS481479U | 1973-01-10 |
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