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Analysis of natural gas. Validation methods for gaseous reference materials. Original standard PD CEN ISO TR 24094-2007 in PDF full version. Additional info + preview on request

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Cosmetics. Good Manufacturing Practices. General training document. Original standard PD CEN ISO TR 24475-2013 in PDF full version. Additional info + preview on request

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Medical devices. Guidance on the application of ISO 14971. Original standard PD CEN ISO TR 24971-2020 in PDF full version. Additional info + preview on request

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Systems and software engineering. Systems and software Quality Requirements and Evaluation (SQuaRE). General framework for Common Industry Format (CIF) for usability-related information. Original standard PD CEN ISO TR 25060-2023 in PDF full version. Additional info + preview on request

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Cosmetics. Sun protection test methods. Review and evaluation of methods to assess the photoprotection of sun protection products. Original standard PD CEN ISO TR 26369-2009 in PDF full version. Additional info + preview on request

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Thermoplastics piping systems. Guidance for definitions of wall constructions for pipes. Original standard PD CEN ISO TR 27165-2012 in PDF full version. Additional info + preview on request

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