Ya Dai

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cigarette paper additive having harm reduction function and applica...
- Patent number 9,675,104
- Issue date Jun 13, 2017
- CHINA TOBACCO SICHUAN INDUSTRIAL CO., LTD.
- Ya Dai
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
CIGARETTE PAPER ADDITIVE HAVING HARM REDUCTION FUNCTION AND APPLICA...
- Publication number 20150201671
- Publication date Jul 23, 2015
- CHINA TOBACCO CHUANYU INDUSTRIAL CO., LTD
- Ya Dai
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES