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Road vehicles. Detection of exhaust systems leaks. Helium test method and detection device specification. Original standard BS ISO 16247-2004 in PDF full version. Additional info + preview on request

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Springs. Symbols. Original standard BS ISO 16249-2013 in PDF full version. Additional info + preview on request

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Watch-cases and accessories. Vapour phase deposited coatings. Original standard BS ISO 16253-2017 in PDF full version. Additional info + preview on request

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Acoustics. Measurement of sound emitted by road vehicles of category M and N at standstill and low speed operation. Engineering method. Original standard BS ISO 16254-2024 in PDF full version. Additional info + preview on request

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Workplace air. Analysis of respirable crystalline silica by X-ray diffraction. Direct-on-filter method. Original standard BS ISO 16258-1-2015 in PDF full version. Additional info + preview on request

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Workplace air. Analysis of respirable crystalline silica by X-ray diffraction. Method by indirect analysis. Original standard BS ISO 16258-2-2015 in PDF full version. Additional info + preview on request

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