✦ LIBER ✦
1079. Device for making electronic valve cathode heaters: A Yu Berger et al, USSR Patent No 307436, appl 23rd April 1970, publd 5th Aug 1971
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 151 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0042-207X
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