✦ LIBER ✦
892. High vacuum pump for gas evacuation: N N Ermakov et al. USSR Pat Cert No 164921, (in Russian)
- Publisher
- Elsevier Science
- Year
- 1965
- Tongue
- English
- Weight
- 126 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0042-207X
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