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Refrigerating systems and heat pumps. Safety and environmental requirements - Installation site and personal protection. Original standard BS EN 378-3-2016 + A1-2020 in PDF full version. Additional info + preview on request

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Refrigerating systems and heat pumps. Safety and environmental requirements - Operation, maintenance, repair and recovery. Original standard BS EN 378-4-2016 + A1-2019 in PDF full version. Additional info + preview on request

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Aerospace series. Grooves for spiral wound retaining rings. Design standard. Original standard BS EN 3781-2008 in PDF full version. Additional info + preview on request

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Aerospace series. Holes for 100° countersunk head screws. Design standard. Original standard BS EN 3782-2008 in PDF full version. Additional info + preview on request

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Aerospace series. Fibre composite materials. Normalisation of fibre dominated mechanical properties. Original standard BS EN 3783-2013 in PDF full version. Additional info + preview on request

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Aerospace series. Pipe coupling 8°30´. Protective caps. Original standard BS EN 3788-2001 in PDF full version. Additional info + preview on request

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