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Plastics. Methods for the preparation of samples for biodegradation testing of plastic materials
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Roofing and hydraulic-insulating flexible polymeric (thermoplastic or elastomer) materials. Method for determination of resistance to ozone
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Collective means of saving of crews of engineering installations operated in water areas. Specifications
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Automobile roads of general use. Natural and crushed sand. Determination of the presence of organic impurities
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