
- 13 Development (Service)
- 14 Logistics (Service)
- 15 Maintenance (Service)
- 16 Food, beverage, tobacco
- 17 Machine, device (for special applications)
- 18 Equipment f. mining, metallurgical plant, rolling mill a. foundry
- 19 Information, communication and media technology
- 20 Packing material
- 21 Plant equipment, tool
- 22 Construction technology
- 23 Machine element, fixing, mounting
- 24 Office product, facility and technic, papeterie
- 25 General service
- 26 Energy, extraction product, secondary raw material and residue
- 27 Electric engineering, automation, process control engineering
- 28 Vehicle (complete vehicle)
- 29 Home economics, Home technology
- 30 Auxiliary supply, additive, cleaning agent
- 31 Polymer
- 32 Laboratory material, Laboratory technology
- 33 Installation (complete)
- 34 Medical Device
- 35 Semifinished product
- 36 Machine, apparatus
- 37 Industrial piping
- 38 Inorganic Chemical
- 39 Organic Chemical
- 39-01 Hydrocarbon (C, H)
- 39-02 Hydrocarbon with O function (C, H, O)
- 39-03 Hydrocarbon with N function (C, H, N, [O])
- 39-04 Fluorinated hydrocarbon (C, [H], F, [O], [N])
- 39-05 Chlorinated hydrocarbon (C, [H], Cl, [O], [N])
- 39-06 Brominated hydrocarbon (C, [H], Br, [O], [N])
- 39-07 Iodinated hydrocarbon (C, [H], I, [O], [N])
- 39-08 Hydrocarbon with different halogens (C, [H], [O], [N], F, Cl, Br, I)
- 39-09 Hydrocarbon with S function (C, [H], S, [O], [N], [halogen])
- 39-10 Hydrocarbon with Si function (C, H, Si, [O], [N], [S], [Halogen])
- 39-11 Hydrocarbon with P function (C, H, P, [O], [N], [S], [Si], [Halogen])
- 39-14 Other hydrocarbon compound
- 39-15 Heteroc. hydrocarbon (1 Ring, 1 Het.)
- 39-16 Heteroc. Hydrocarbon (1 ring, 2 het)
- 39-17 Heteroc. Hydrocarbon (1 ring, >2 het)
- 39-18 Heteroc. Hydrocarbon (2 rings, 1 het)
- 39-19 Heteroc. Hydrocarbon (2 rings, 2 het)
- 39-20 Heteroc. Hydrocarbon (2 rings, >2 het)
- 39-21 Heteroc. Hydrocarbon (3 rings)
- 40 Occupational safety, accident prevention
- 41 Marketing
- 42 In-vitro diagnostic
- 43 Optics
- 44 Automotive engineering, vehicle component
- 45 Human and veterinary drug, pesticide as well as active ingredient
- 46 Clothing and textile
- 47 Body care, personal hygiene
- 48 Sport, playing, leisure
- 49 Public safety and military technology
- 50 Interior furnishing
- 51 Fluid power
- 90 Interim class (unspecified)