✦ LIBER ✦
644. Method of processing electrical vacuum and gas-discharge devices: E P Gel' and Yu S Spiridonov, USSR Patent, No 290343, appl 12th Nov 1968, publd 15th Feb 1971
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 180 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0042-207X
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