GB 7774-1987
Turbomolecular Pump Performance Test Method (English Version)
- Standard No.
- GB 7774-1987
- Language
- Chinese, Available in English version
- Release Date
- 1987
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2008-06
- Replace By
- GB/T 7774-2007
- Latest
- GB/T 7774-2007
GB 7774-1987 history
- 2007 GB/T 7774-2007 Vacuum technology.Turbomolecular pumps.Measurement of performance characteristics
- 1987 GB 7774-1987 Turbomolecular Pump Performance Test Method
