✦ LIBER ✦

621. A mechanical vacuum pump: V D Lubenets et al, USSR Patent No 280743, appl 30th May 1969, publd 25th Jan 1971

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

997. A molecular vacuum pump: V D Lubene

📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 146 KB

989. A vacuum apparatus: V D Lubenets et

📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 281 KB

72. A mechanical vacuum pump: E V Glusha

📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 123 KB

620. A piston-type vacuum pump: V M Brod

📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 151 KB

727. Molecular vacuum pump: V D Lubenets

📂 Article 📅 1973 🏛 Elsevier Science 🌐 English ⚖ 150 KB

992. A vapour-jet vacuum pump: V N Kemen

📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 146 KB