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Hydraulic fluid power. Valves. Determination of differential pressure/flow rate characteristics. Original standard BS ISO 4411-2019 in PDF full version. Additional info + preview on request

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Intelligent transport systems. Lower layer protocols for usage in the European digital tachograph. Original standard BS ISO 4426-2021 in PDF full version. Additional info + preview on request

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Plastics piping systems for water supply and for drainage and sewerage under pressure. Polyethylene (PE) - General. Original standard BS ISO 4427-1-2019 in PDF full version. Additional info + preview on request

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Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) - Pipes. Original standard BS ISO 4427-2-2019 + A1-2023 in PDF full version. Additional info + preview on request

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Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) - Fittings. Original standard BS ISO 4427-3-2019 in PDF full version. Additional info + preview on request

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Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE). Fitness for purpose of the system. Original standard BS ISO 4427-5-2019 in PDF full version. Additional info + preview on request

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