Alexandr Sergeevich Mamvriisky

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Grozny, SU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for controlling the density of a plugging fluid
- Patent number 4,103,351
- Issue date Jul 25, 1978
- Alexandr Sergeevich Mamvriisky
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of controlling the density of a plugging fluid
- Patent number 4,027,860
- Issue date Jun 7, 1977
- Alexandr Sergeevich Mamvriisky
- B28 - WORKING CEMENT, CLAY, OR STONE