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6 Technology (Applied sciences)
60 Technology (Applied sciences)
61 Medicine and health
62 Engineering and allied operations
63 Agriculture and related technologies
64 Home and family management
65 Management and auxiliary services
66 Chemical engineering and related technologies
67 Manufacturing
68 Manufacture of products for specific uses
69 Buildings
600 Technology (Applied sciences)
600 Technology (Applied sciences)
602.75 Trademarks and service marks
607 Education, research, related topics (Technology)
608 Inventions and patents
660 Chemical engineering and related technologies
660 Chemical engineering and related technologies
660.6 Biotechnology
660.65 Genetic engineering
663 Beverage technology
664 Food technology
664.94 Fishes and shellfish
665 Technology of industrial oils, fats, waxes, gases
666 Ceramic and allied technologies
669 Metallurgy
670 Manufacturing
670 Manufacturing
680 Manufacture of products for specific uses
680 Manufacture of products for specific uses
681.8 Musical instruments
682 Small forge work (Blacksmithing)
683.4 Small firearms
684.08 Woodworking
686 Printing and related activities
688.7 Recreational equipment
690 Buildings
690 Buildings
697 Heating, ventilating, air-conditioning engineering
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