Alexandr S. Fomin

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Syktyvkar, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method for isolation of intake beds in drill holes and a device for...
- Patent number 4,842,066
- Issue date Jun 27, 1989
- Ufimsky Neftyanoi Institut
- Vil F. Galiakbarov
- E21 - EARTH DRILLING MINING