823. Vacuum chamber pumping system: Bir-Vac ltd, British patent 1,101,751, patent abstr, 8 (8) part b, 16th Feb 1968, 3.

• Publisher: Elsevier Science
• Year: 1968
• Tongue: English
• Weight: 167 KB
• Volume: 18
• Category: Article
• ISSN: 0042-207X
• DOI: 10.1016/0042-207x(68)92160-x