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Universal Decimal Classification. English full edition-Public health engineering. Water. Illuminating engineering
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Universal Decimal Classification. English full edition-Transport vehicle engineering
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Universal Decimal Classification. English full edition-Home economics
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Universal Decimal Classification. English full edition-Industrial and business management and organization. Communication
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Universal Decimal Classification. English full edition-Telecommunication and telecontrol (organization, services)
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Universal Decimal Classification. English full edition-Chemical technology. Chemical engineering, production and processing, operations and plant
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Universal Decimal Classification. English full edition-Chemical products
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Universal Decimal Classification. English full edition-Explosives. Fuels
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