Shintaro Chida

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve unit for use in concrete pumps
- Patent number 4,466,782
- Issue date Aug 21, 1984
- Niigata Engineering Co., Ltd.
- Shigeaki Hirashima
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...