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01 - Generalities. Terminology. Standardization. Documentation
View 10,775 Documents
03 - Services. Company organization, management and quality. Administration. Transport. Sociology
View 7,742 Documents
07 - Natural and applied sciences
View 2,982 Documents
11 - Health care technology
View 11,002 Documents
13 - Environment. Health protection. Safety
View 24,751 Documents
17 - Metrology and measurement. Physical phenomena
View 10,348 Documents
19 - Testing
View 3,321 Documents
21 - Mechanical systems and components for general use
View 6,329 Documents
23 - Fluid systems and components for general use
View 12,485 Documents
25 - Manufacturing engineering
View 15,889 Documents
27 - Energy and heat transfer engineering
View 6,269 Documents
29 - Electrical engineering
View 17,110 Documents
31 - Electronics
View 8,385 Documents
33 - Telecommunications. Audio and video engineering
View 13,895 Documents
33.020 - Telecommunications in general
View 167 Documents
33.030 - Telecommunication services. Applications
View 11 Documents
33.040 - Telecommunication systems
View 1,178 Documents
33.050 - Telecommunication terminal equipment
View 170 Documents
33.060 - Radiocommunications
View 861 Documents
33.070 - Mobile services
View 447 Documents
33.070.01 - Mobile services in general
View 19 Documents
33.070.10 - Terrestrial Trunked Radio (TETRA)
View 31 Documents
33.070.20 - Paging systems
View 9 Documents
33.070.30 - Digital Enhanced Cordless Telecommunications (DECT)
View 35 Documents
33.070.40 - Satellite
View 11 Documents
33.070.50 - Global System for Mobile Communication (GSM)
View 75 Documents
33.070.99 - Other mobile services
View 2 Documents
33.080 - Integrated Services Digital Network (ISDN)
View 280 Documents
33.100 - Electromagnetic compatibility (EMC)
View 1,684 Documents
33.120 - Components and accessories for telecommunications equipment
View 1,431 Documents
33.140 - Special measuring equipment for use in telecommunications
View 17 Documents
33.160 - Audio, video and audiovisual engineering
View 2,536 Documents
33.170 - Television and radio broadcasting
View 752 Documents
33.180 - Fibre optic communications
View 3,378 Documents
33.200 - Telecontrol. Telemetering
View 970 Documents
35 - Information technology
View 21,960 Documents
37 - Image technology
View 2,952 Documents
39 - Precision mechanics. Jewellery
View 291 Documents
43 - Road vehicles engineering
View 7,068 Documents
45 - Railway engineering
View 1,881 Documents
47 - Shipbuilding and marine structures
View 3,502 Documents
49 - Aircraft and space vehicle engineering
View 23,160 Documents
53 - Materials handling equipment
View 3,772 Documents
55 - Packaging and distribution of goods
View 2,823 Documents
59 - Textile and leather technology
View 5,928 Documents
61 - Clothing industry
View 1,055 Documents
65 - Agriculture
View 4,061 Documents
67 - Food technology
View 4,880 Documents
71 - Chemical technology
View 8,383 Documents
73 - Mining and minerals
View 1,779 Documents
75 - Petroleum and related technologies
View 9,005 Documents
77 - Metallurgy
View 13,215 Documents
79 - Wood technology
View 1,989 Documents
81 - Glass and ceramics industries
View 2,711 Documents
83 - Rubber and plastic industries
View 9,801 Documents
85 - Paper technology
View 2,373 Documents
87 - Paint and colour industries
View 3,645 Documents
91 - Construction materials and building
View 21,015 Documents
93 - Civil engineering
View 5,042 Documents
95 - Military affairs. Military engineering. Weapons
View 86 Documents
97 - Domestic and commercial equipment. Entertainment. Sports
View 8,631 Documents