Viljo K. Valavaara

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Don Mills, CA

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Patents Grantslast 30 patents

Information Patent Grant
Rotary pressure intensifier
- Patent number 4,734,013
- Issue date Mar 29, 1988
- V-Tech Industries Inc.
- Viljo K. Valavaara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...