Shingo Yokota

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Hiroshima-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite action type water-hammer-preventive check valve
- Patent number 5,769,116
- Issue date Jun 23, 1998
- Kabushiki Kaisha Yokota Seisakusho
- Hiroshi Yokota
- E03 - WATER SUPPLY SEWERAGE