✦ LIBER ✦
Multi-electrode cold-cathode discharge tube comprising ring magnet with attached electrodes: Ericsson Telephones Ltd, US Patent 3,313,973, Official Gaz US Patent Office, 837 (2), 11th April 1967, 627
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- English
- Weight
- 177 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0042-207X
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