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Petroleum and related products. Determination of the ageing behaviour of inhibited oils and fluids. TOST test. Procedure for category HFC hydraulic fluids. Original standard BS EN ISO 4263-2-2003 in PDF full version. Additional info + preview on request
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Petroleum and related products. Determination of the ageing behaviour of inhibited oils and fluids using the TOST test. Anhydrous procedure for synthetic hydraulic fluids. Original standard BS EN ISO 4263-3-2015 in PDF full version. Additional info + preview on request
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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
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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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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
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