Georgy R. Avdzhiev

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Komi ASSR, Ukhta, SU

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Patents Grantslast 30 patents

Information Patent Grant
Plugging fluid
- Patent number 4,217,146
- Issue date Aug 12, 1980
- Georgy R. Avdzhiev
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES