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Determination of the tensile properties of paper and board - Part 1- Constant rate of loading method. Original standard BS 4415-1-1992 (1999) ISO 1924-1-1992 in PDF full version. Additional info + preview on request

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Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs)- determination of chloride content. Original standard BS 4427-14-1989 (2011) in PDF full version. Additional info + preview on request

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Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs)- determination of iron content. Original standard BS 4427-3-1989 (2011) in PDF full version. Additional info + preview on request

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Limits and fits. Guidance for system of cone (taper) fits and tolerances for cones from C = 1-3 to 1-500, lengths from 6 mm to 630 mm and diameters up to 500 mm. Original standard BS 4500-2009 in PDF full version. Additional info + preview on request

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Digital data transmission - Part 1- Specification for basic mode control procedures. Original standard BS 4505-1-1981 (1999) ISO 1745-1975 in PDF full version. Additional info + preview on request

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Digital data transmission - Part 3- Method for use of longitudinal parity to detect errors in information messages. Original standard BS 4505-3-1981 (1999) ISO 1155-1978 in PDF full version. Additional info + preview on request

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