
Vacuum technology—Roots vacuum pump—Measurement of performance characteristics—Part 2:Measurement of compression ratio of the zero throughput
NORMA vydaná dňa 23.12.2010
Designation standards: GB/T 25753.2-2010
Note: NEPLATNÁ
Publication date standards: 23.12.2010
Country: Chinese technical standard
Kategória: Technické normy GB