Yongxing JI

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Jinan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fire engine
- Patent number 11,202,929
- Issue date Dec 21, 2021
- SHANDONG HONGDA TECHNOLOGY GROUP CO., LTD.
- Deli Zhang
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
FIRE ENGINE
- Publication number 20190381345
- Publication date Dec 19, 2019
- Shandong Hongda Technology Group Co., Ltd.
- Deli ZHANG
- A62 - LIFE-SAVING FIRE-FIGHTING