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Petroleum and related products. Determination of the ageing behaviour of inhibited oils and fluids. TOST test. Procedure for industrial gear oils. Original standard BS EN ISO 4263-4-2006 in PDF full version. Additional info + preview on request

Document status: Active

Petroleum products. Calculation of cetane index of middle-distillate fuels by the four variable equation. Original standard BS EN ISO 4264-2018 (BS 2000-380-2018) in PDF full version. Additional info + preview on request

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Petroleum and liquid petroleum products. Calculation of oil quantities. Dynamic measurements. Original standard BS EN ISO 4267-2-1996 (2000) in PDF full version. Additional info + preview on request

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Geometrical product specification (GPS). Surface texture: Profile method. Terms, definitions and surface texture parameters. Original standard BS EN ISO 4287-1998 + A1-2009 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Geometric product specification (GPS). Surface texture. Profile method: Rules and procedures for the assessment of surface texture. Original standard BS EN ISO 4288-1998 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Molecular in vitro diagnostic examinations. Specifications for pre-examination processes for saliva. Isolated human DNA. Original standard BS EN ISO 4307-2021 in PDF full version. Additional info + preview on request

Document status: Active