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Central heating boilers. Specification for indirectly heated unvented (closed) pressurized buffer tanks. Requirements, testing and marking. Original standard BS EN 17692-2025 in PDF full version. Additional info + preview on request

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Hydrometry. Minimum performance requirements and test procedures for water monitoring equipment. Devices for the determination of flow. Open channel instrumentation. Original standard BS EN 17694-1-2023 in PDF full version. Additional info + preview on request

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Hydrometry. Minimum performance requirements and test procedures for water monitoring equipment. Devices for the determination of flow. Closed conduit instrumentation. Original standard BS EN 17694-2-2023 in PDF full version. Additional info + preview on request

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Products and systems for the protection and repair of concrete structures. Test methods. Determination of the coefficient of thermal expansion. Original standard BS EN 1770-1998 in PDF full version. Additional info + preview on request

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Plant biostimulants. Claims - General principles. Original standard BS EN 17700-1-2024 in PDF full version. Additional info + preview on request

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Plant biostimulants. Claims - Nutrient use efficiency resulting from the use of a plant biostimulant. Original standard BS EN 17700-2-2024 in PDF full version. Additional info + preview on request

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