Jianrong ZHANG

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Kunming, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device with separate gas inlet for cigarette set
- Patent number 11,311,052
- Issue date Apr 26, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Ru Wang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
DEVICE WITH SEPARATE GAS INLET FOR CIGARETTE SET
- Publication number 20210052006
- Publication date Feb 25, 2021
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Xudong ZHENG
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES