01.040.01 Generalities. Terminology. Standardization. Documentation (Vocabularies)
01.040.97 Domestic and commercial equipment. Entertainment. Sports (Vocabularies)
01.100.40 Drawing equipment
01.140.10 Writing and transliteration
13.220.50 Fire-resistance of building materials and elements
17.040.30 Measuring instruments
19.120 Particle size analysis. Sieving
21.220.10 Belt drives and their components
77.140.75 Steel pipes and tubes for specific use
97.180 Miscellaneous domestic and commercial equipment