Guirong YANG

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Patents Grantslast 30 patents

Information Patent Grant
Polymer cement-granite composite tomb box and method for making same
- Patent number 11,718,563
- Issue date Aug 8, 2023
- Shanghai Yangyi Garden Group Co., Ltd.
- Guirong Yang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
POLYMER CEMENT-GRANITE COMPOSITE TOMB BOX AND METHOD FOR MAKING SAME
- Publication number 20200283339
- Publication date Sep 10, 2020
- Shanghai Yangyi Garden Group Co., Ltd.
- Guirong YANG
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES