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Leather Chemical determination of metal content Part 2- Total metal content (ISO 17072-2-2022). Original standard UNE-EN ISO 17072-2-2023 in PDF full version. Additional info + preview on request

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Leather Physical and mechanical tests Determination of dimensional change (ISO 17130-2021). Original standard UNE-EN ISO 17130-2023 in PDF full version. Additional info + preview on request

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Leather Identification of leather with microscopy (ISO 17131-2020). Original standard UNE-EN ISO 17131-2021 in PDF full version. Additional info + preview on request

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Acoustics Noise from shooting ranges Part 6- Sound pressure measurements close to the source for determining exposure to sound (ISO 17201-6-2021). Original standard UNE-EN ISO 17201-6-2023 in PDF full version. Additional info + preview on request

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Solid biofuels Fuel specifications and classes Part 1- General requirements (ISO 17225-1-2021). Original standard UNE-EN ISO 17225-1-2022 in PDF full version. Additional info + preview on request

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Solid biofuels Fuel specifications and classes Part 5- Graded firewood (ISO 17225-5-2021). Original standard UNE-EN ISO 17225-5-2022 in PDF full version. Additional info + preview on request

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