GB/T 17850.1-2017 Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part1:General introduction and classification (English Version)
2017GB/T 17850.1-2017 Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part1:General introduction and classification
2002GB/T 17850.1-2002 Preparation of steel substrates before application of paints and related products--Specifications for non-metallic blast-cleaning abrasives--General introduction and classification