1669. High vacuum leak-valve: Varian Associates, Brit Patent 1,073,998, Patent Abstr, 7 (29) part B, 21st July 1967, 4.

• Publisher: Elsevier Science
• Year: 1967
• Tongue: English
• Weight: 171 KB
• Volume: 17
• Category: Article
• ISSN: 0042-207X
• DOI: 10.1016/0042-207x(67)90099-1