Eiji Yokoyama

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Kashiwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Screw fluid machine
- Patent number 4,174,196
- Issue date Nov 13, 1979
- Hitachi, Ltd.
- Hidetomo Mori
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...