Chin-Yen Kao

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Chung-Li Industrial Zone Taoyuan, TW

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Patents Grantslast 30 patents

Information Patent Grant
Structure of a pump valve for concrete mixture pumping trucks
- Patent number 5,857,490
- Issue date Jan 12, 1999
- Chin-Yen Kao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...