Gennady S. Chuprov

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Komi ASSR, Ukhta, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method of thermal-mine recovery of oil and fluent bitumens
- Patent number 4,227,743
- Issue date Oct 14, 1980
- Leonid M. Ruzin
- E21 - EARTH DRILLING MINING