Piotr A. Morzsic

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Luberci, SU

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Patents Grantslast 30 patents

Information Patent Grant
Packer for separation of zones in a well bore
- Patent number 4,499,947
- Issue date Feb 19, 1985
- Magyar Szenhidrogenipari Kutatofejleszto Intezet
- Istvan Zsoka
- E21 - EARTH DRILLING MINING