Belarus standards PDF
Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon. XRD methods. Original standard UNE-EN ISO 21068-4-2024 in PDF full version. Additional info + preview on request
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Chemicals for the leather tanning industry. Determination of the total content of certain bisphenols. Original standard UNE-EN ISO 21135-2024 in PDF full version. Additional info + preview on request
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Intelligent transport systems. ITS station security services for secure session establishment and authentication between trusted devices. Original standard UNE-EN ISO 21177-2024 in PDF full version. Additional info + preview on request
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Adhesives Guidelines for the fabrication of adhesively bonded structures and reporting procedures suitable for the risk evaluation of such structures (ISO 21368:2022). Original standard UNE-EN ISO 21368-2024 in PDF full version. Additional info + preview on request
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Acoustics. Hearing aid fitting management. Tele-services as part of hearing aid fitting management (tHAFM). Original standard UNE-EN ISO 21388-2-2024 in PDF full version. Additional info + preview on request
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Non-active surgical implants Joint replacement implants Specific requirements for hip joint replacement implants (ISO 21535:2023). Original standard UNE-EN ISO 21535-2025 in PDF full version. Additional info + preview on request
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