Guoyi SONG

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Liaoning, CN

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Patents Applicationslast 30 patents

Information Patent Application
PRE-SINTERED PORCELAIN BLOCK FOR DENTAL RESTORATION, PREPARATION ME...
- Publication number 20220192804
- Publication date Jun 23, 2022
- Shenzhen Upcera Dental Technology Co., Ltd.
- Lingling HE
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PRE-SINTERED CERAMIC BLOCK FOR DENTAL RESTORATION, PREPARATION METH...
- Publication number 20220177358
- Publication date Jun 9, 2022
- Shenzhen Upcera Dental Technology Co., Ltd.
- Lingling HE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
A LITHIUM METASILICATE GLASS CERAMIC AND PREPARATION METHOD THEREOF
- Publication number 20180105454
- Publication date Apr 19, 2018
- Shenzhen Upcera Dental Technology Co., Ltd
- Yanchun ZHENG
- C03 - GLASS MINERAL OR SLAG WOOL