Russian standards PDF
Tourist services. Consumer information. General requirements
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Tourist services. Tourism services for disabled people. General requirements
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Cocoa beans. Determination of moisture content (routine method)
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Plastics. Thermomechanical analysis (TMA). Part 1. General principles
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Automatic tensioning devices of overhead contact line of railway. General specifications
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Testing of chemicals that are hazardous to the environment. Fat solubility of solid and liquid substances. Flask method
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