Russian standards PDF

Tourist services. Services for children tourism. General requirements

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Services of small means of placing. Generic requirements

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Public catering services. Methods of laboratory quality control of products catering. Part 10. Determination of total ash

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Public catering services. Methods of laboratory quality control of products catering. Part 4. Methods for determination of moisture and dry substances

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Public catering services. Methods of laboratory quality control of products catering. Part 7. Determination of protein by the Kjeldahl method

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Public catering services. Methods of laboratory quality control of products catering. Part 9. Microbiological tests

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