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Laboratory glassware. Methods for assessing the chemical resistance of enamels for colour coding and colour marking
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Mineral Admixtures for Concretes and mortars. General specifications
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Talc and talcomagnesite. Method for determination of arsenic
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Testing of chemicals of environmental hazard. Aerobic mineralization in surface water. Simulation biodegradation test
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Safety requirements for electrical equipment for measurement, control and laboratory use. Part 1. General requirements
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