GB/T 40344.4-2025

Vacuum technology—Standard methods for measuring vacuum-pump performance—Part 4: Turbomolecular vacuum pumps

NORMA vydaná dňa 1.8.2025

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The information about the standard:

Designation standards: GB/T 40344.4-2025
Publication date standards: 1.8.2025
Country: Chinese technical standard
Kategória: Technické normy GB