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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
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29 - Electrical engineering View 17,110 Documents
31 - Electronics View 8,385 Documents
33 - Telecommunications. Audio and video engineering View 13,895 Documents
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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
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- 49.140 - Space systems and operations View 1,566 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

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