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Optics and optical instruments. Contact lenses. Determination of refractive index of contact lens materials. Original standard BS EN ISO 9914-1997 (1998) BS 7208-6-1997 in PDF full version. Additional info + preview on request

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Dense shaped refractory products - Determination of cold compressive strength. Referee test without packing. Original standard BS EN ISO 10059-1-2025 in PDF full version. Additional info + preview on request

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Optics and optical instruments. Contact lenses. Method for determination of solvent extractable substances. Original standard BS EN ISO 10340-1997 (1998) BS 7208-5-1997 in PDF full version. Additional info + preview on request

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Soldering and brazing materials. Methods for the sampling of soft solders for analysis. Original standard BS EN ISO 10564-1997 (1998) in PDF full version. Additional info + preview on request

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Biological evaluation of medical devices - Requirements and general principles for the evaluation of biological safety within a risk management process. Original standard BS EN ISO 10993-1-2025 in PDF full version. Additional info + preview on request

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Biological evaluation of medical devices - Tests for irritation. Original standard BS EN ISO 10993-23-2021 + A1-2025 in PDF full version. Additional info + preview on request

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