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On the establishment of the Institute of Competent Persons in the field of subsoil use of solid minerals. Tretyakov Andrey Viktorovich NAEN

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Signing of the Agreement between the National Association for Subsoil Examination and the Society of Subsoil Experts of Russia.

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Mining and geological audit in Russia - the real state. Tretyakov Andrey Viktorovich Director of NAEN

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Andrey Tretyakov Rosgeology

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Acting General Director of JSC "Rosgeology" Tretyakov A.V.

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