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Vitreous and porcelain enamels. Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers. Specifications. Original standard BS EN ISO 28763-2019 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels. Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron. Original standard BS EN ISO 28764-2015 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels. Design of bolted steel tanks for the storage or treatment of water or municipal or industrial effluents and sludges. Original standard BS EN ISO 28765-2022 in PDF full version. Additional info + preview on request

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Petroleum and natural gas industries. Drilling and production equipment. Subsurface barrier valves and related equipment. Original standard BS EN ISO 28781-2010 in PDF full version. Additional info + preview on request

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Ergonomics of the physical environment. Assessment of environments by means of an environmental survey involving physical measurements of the environment and subjective responses of people. Original standard BS EN ISO 28802-2012 in PDF full version. Additional info + preview on request

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Ergonomics of the physical environment. Application of international standards to people with special requirements. Original standard BS EN ISO 28803-2012 in PDF full version. Additional info + preview on request

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