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Building products. Treatment of acoustics in product technical specifications. Original standard UNE-CEN TR 15226-2025 in PDF full version. Additional info + preview on request

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Railway applications - Gauges - Part 5: Background, explanation and worked examples. Original standard UNE-CEN TR 15273-5-2025 in PDF full version. Additional info + preview on request

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Petroleum products - Guidelines for good housekeeping - Part 1: Automotive diesel fuels. Original standard UNE-CEN TR 15367-1-2020 in PDF full version. Additional info + preview on request

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Corrigendum - Fire and explosion prevention and protection for bucket elevators. Original standard UNE-CEN TR 16829-2016 + AC-2019 in PDF full version. Additional info + preview on request

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Electronic invoicing - Part 10: Additional requirements to extend to B2B. Original standard UNE-CEN TR 16931-10-2025 in PDF full version. Additional info + preview on request

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Electronic invoicing - Part 9: VAT reporting and gap analysis with current eInvoicing standardization deliverables. Original standard UNE-CEN TR 16931-9-2025 in PDF full version. Additional info + preview on request

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