baseline standard

baseline standard, Total:6 items.

In the international standard classification, baseline standard involves: Astronomy. Geodesy. Geography, Environmental protection, Semiconducting materials.

National Metrological Verification Regulations of the People's Republic of China, baseline standard

• JJG 306-2004 24m Invar Wire
• JJG 306-1982 Verification Regulation of 24m Invar Wire

National Metrological Technical Specifications of the People's Republic of China, baseline standard

• JJF 1214-2008 Calibration Specification for Baseline and Basenet

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, baseline standard

• GB 16789-1997 Specifications of the baseline measurements

Heilongjiang Provincial Standard of the People's Republic of China, baseline standard

• DB23/T 3461-2023 Technical Specifications for Baseline Investigation of Carbon Sequestration Resources

Professional Standard - Electron, baseline standard

• SJ/T 11491-2015 Test methods for measurement of interstitial oxygen content in silicon by short baseline infrared absorption spectrometry

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