GB/T 40344.3-2024 《Vacuum technology—Standard methods for measuring Vacuum Pump performance—Part 3: Specific parameters for mechanical booster Vacuum Pumps》 Related products
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active |
|---|---|
| CCS | J78 | ICS | 23.160 |
| Release Date | 2024-04-25 00:00:00 | Implementation Date | 2024-04-25 00:00:00 |
Extended reading
- 1GB/T 4074.1-2024《Test methods of winding wires—Part 1:General》
- 2GB/T 4074.2-2024《Test methods of winding wires—Part 2:Determination of dimensions》
- 3GB/T 4074.3-2024《Test methods of winding wires—Part 3: Mechanical properties》
- 4GB/T 4074.4-2024《Test methods of winding wires—Part 4: Chemical properties》
- 5GB/T 4074.5-2024《Test methods of winding wires—Part 5: Electrical properties》
- 6GB/T 4074.6-2024《Test methods of winding wires—Part 6: Thermal properties》
- 7GB/T 4103.18-2024《Methods for chemical analysis of lead and lead alloys—Part 18：Determination of silver, copper, bismuth, arsenic, antimony, tin, zinc, iron, cadmium, nickel, magnesium, aluminum, calcium, selenium and tellurium contents—Inductively coupled plasma mass spectrometry》
- 8GB/T 42513.6-2024《Methods for chemical analysis of nickel alloys—Part 6: Determination of molybdenum content—Inductively coupled plasma atomic emission spectrometric method》
- 9GB/T 42513.7-2024《Methods for chemical analysis of nickel alloys—Part 7：Determination of cobalt, chromium, copper, iron and manganese contents—Flame atomic absorption spectrometry》
- 10GB/T 43846.1-2024《Microscopes—Designation of microscope objectives—Part 1: Flatness of field/Plan》