✦ LIBER ✦
153. Method of determining the emission characteristics of cathodes in electrical vacuum apparatus: S M Levitin and K P Akhtyrskii, USSR Patent No 318090, appl 23rd July 1969, publd 23rd December 1971
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 135 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0042-207X
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