Leak detector and vacuum pumping station: National Research Corp, US Patent 3,327,521, Official Gaz US Patent Office, 839 (4), 27th June 1967, 1342.

• Publisher: Elsevier Science
• Year: 1967
• Tongue: English
• Weight: 160 KB
• Volume: 17
• Category: Article
• ISSN: 0042-207X
• DOI: 10.1016/0042-207x(67)90254-0