STB PDF

Heating systems in buildings. Procedure for the preparation of documents for operation, maintenance and use. Heating systems not requiring a trained operator. Original standard UNE-EN 12171-2003 in PDF full version. Additional info + preview on request

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Gymnastic equipment. Horses and bucks. Functional and safety requirements, test methods. Original standard UNE-EN 12196-2024 in PDF full version. Additional info + preview on request

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Playpens for domestic use. Safety requirements and test methods. Original standard UNE-EN 12227-2011 in PDF full version. Additional info + preview on request

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Wastewater treatment plants Part 13: Chemical treatment Treatment of wastewater by precipitation/flocculation. Original standard UNE-EN 12255-13-2024 in PDF full version. Additional info + preview on request

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Amendment 1 - Fixed firefighting systems - Components for sprinkler and water spray systems - Part 3: Dry alarm valve assemblies. Original standard UNE-EN 12259-3-2001 A1-2001 in PDF full version. Additional info + preview on request

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Amendment 1 - Fixed firefighting systems - Components for sprinkler and water spray systems - Part 4: Water motor alarms. Original standard UNE-EN 12259-4-2000 A1-2001 in PDF full version. Additional info + preview on request

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