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National Annex to SP RK EN 1999-1-5:2007/2011 Design of aluminium structures. Part 1-5. Shell structures
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Heating, ventilation and air conditioning (amd. 19.06.2024 - 95-NK)
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Rules for organizing the joint creation of information about construction. Shared data environment
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Operational soil density control in conditions of construction site at their undersealing
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