State system for ensuring the uniformity of measurements. Water flow rate in closed conduits. Technique of measuring by velocity-area method
STANDARD published on 1.1.1983
Designation standards: GOST 8.439-81
Publication date standards: 1.1.1983
The number of pages: 50
Approximate weight : 150 g (0.33 lbs)
Country: Russian technical standard
Category: Technical standards GOST