YUAN HSIEN CHIEN

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Nantou County, TW

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 9,947,250
- Issue date Apr 17, 2018
- UNION PRECISION HARDWARE CO., LTD.
- Yao Ming Yang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20170032720
- Publication date Feb 2, 2017
- Union Precision Hardware Co., Ltd.
- YAO MING YANG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS