CHENG-FANG YU

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CHANG HUA COUNTY, TW

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Patents Grantslast 30 patents

Information Patent Grant
Highly airtight gas pump
- Patent number 9,194,389
- Issue date Nov 24, 2015
- Tricore Corporation
- Cheng-Fang Yu
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
HIGHLY AIRTIGHT GAS PUMP
- Publication number 20140099222
- Publication date Apr 10, 2014
- TRICORE CORPORATION
- CHENG-FANG YU
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...