Krzysztof Kawalec

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Warsaw, PL

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic channel diffuser
- Patent number 4,696,622
- Issue date Sep 29, 1987
- Instytut Lotnictwa
- Jan Traczyk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...