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National Annex to SP RK EN 1999-1-2:2007/2011 Design of aluminium structures. Part 1-2. Structural fire design
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Heating systems. Design and construction of underground industrial foamed polyurefhane lagged pipes laying heating systems
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Soil bases of buildings and structures (amd. 18.03.2021 - 30-NK)
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Occupational safety, fire safety and industrial sanitation for painting workshops of the plants and enterprises manufacturing metal structures
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