Russian standards PDF

Mechanical key locks with a lever block of secret. Classification for resistance to unlocking without destruction

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Ferrite devices SHF. Classification and system of designations

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Textiles. Determination of colour fastness. Part E08. Colour fastness to hot water

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Chemical disinfectants. Disinfectants for the wastewater disinfection. General requirements

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Chemical disinfectants. Disinfectants for the wastewater disinfection. Assessment criteria and efficiency indicators

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Chemical disinfectants. Chlorine-containing disinfectants for the disinfection of swimming pool water. General requirements

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