Toichi Shida

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of preventing recirculation pump cavitation and forced recir...
- Patent number 4,278,051
- Issue date Jul 14, 1981
- Hitachi, Ltd.
- Toichi Shida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...