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JJF 1833-2020 Active
JJF 1833-2020 Calibration Specification for Vacuum Helium Leaks
Abstract
This specification is applicable to the calibration of vacuum helium leakage holes with a leakage rate value within the range of (1×10-10 to 1×10-4) Pa·m3/s.
General Product Information
| Document Type | National Metrology Technical Specifications JJF |
|---|---|
| Standard Status | Active |
| Standard Code | JJF 1833-2020 |
| Implement Date | 2020-04-17 |
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