Russian standards PDF

Guidelines for diagnosis of fly ash produced in the coal combustion

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Building timber structures. Rules of strength grading of sawn timber

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Feeds, compound feeds, feed raw materials. Express-method for determination of moisture

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Biological agents for forest protection. Entomopathogens and fungicides. Determination of the effectiveness of use

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Biological agents for forest protection. Assignment of protection measures

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Biological agents for forest protection. Entomophages. General requirements for the process of laboratory production

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