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Solid recovered fuels. Safe handling and storage of solid recovered fuels. Original standard BS EN ISO 21912-2021 in PDF full version. Additional info + preview on request

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Anaesthetic and respiratory equipment. Voice prostheses. Original standard BS EN ISO 21917-2022 (2023) in PDF full version. Additional info + preview on request

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Geometrical product specifications (GPS). Surface texture: Profile - Indication of surface texture. Original standard BS EN ISO 21920-1-2022 in PDF full version. Additional info + preview on request

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Geometrical product specifications (GPS). Surface texture: Profile. Terms, definitions and surface texture parameters. Original standard BS EN ISO 21920-2-2022 (2023) in PDF full version. Additional info + preview on request

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Geometrical product specifications (GPS). Surface texture: Profile - Specification operators. Original standard BS EN ISO 21920-3-2022 in PDF full version. Additional info + preview on request

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Refrigerating systems and heat pumps. Valves. Requirements, testing and marking. Original standard BS EN ISO 21922-2021 + A1-2024 in PDF full version. Additional info + preview on request

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