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Helium Vacuum

Helium Vacuum, Total:5 items.

In the international standard classification, Helium Vacuum involves: Vacuum technology, Non-destructive testing.


General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Helium Vacuum

  • GB/T 36176-2018 Vacuum technology.Vacuum leak testing method by helium mass spectrometer

Professional Standard - Aerospace, Helium Vacuum

  • QJ 3123-2000 Vacuum leaks detection method by helium mass spectrometer

National Metrological Technical Specifications of the People's Republic of China, Helium Vacuum

Professional Standard - Nuclear Industry, Helium Vacuum

  • EJ/Z 4-1978 Vacuum leak test rules for containers and equipment with helium hood method

Association Francaise de Normalisation, Helium Vacuum

  • NF A09-493:1990 Non destructive testing. Tightness testing. Recommended practices for testing by vacuum dye penetration by means of helium.




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