Unified system of corrosion and ageing protection. Biofouling monitoring of building materiels and facilities. General provisions
STANDARD published on 1.7.2025
Designation standards: GOST R 9.921-2024
Publication date standards: 1.7.2025
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Russian technical standard
Category: Technical standards GOST