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Fixed firefighting systems - Components for sprinkler and water spray systems Part 12- Pumps. Original standard UNE-EN 12259-12-2024 in PDF full version. Additional info + preview on request

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Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Part 1- Terms and definitions. Original standard UNE-EN 12309-1-2024 in PDF full version. Additional info + preview on request

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Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Part 3- Requirements, test conditions and test methods. Original standard UNE-EN 12309-3-2025 in PDF full version. Additional info + preview on request

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Testing fresh concrete Part 2- Slump test. Original standard UNE-EN 12350-2-2020 in PDF full version. Additional info + preview on request

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Testing fresh concrete Part 3- Vebe test. Original standard UNE-EN 12350-3-2020 in PDF full version. Additional info + preview on request

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Testing fresh concrete Part 5- Flow table test. Original standard UNE-EN 12350-5-2020 in PDF full version. Additional info + preview on request

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