Chaoying Chen

Follow

Person

Yangpu District, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method of testing moisture retention of tobacco
- Patent number 8,534,297
- Issue date Sep 17, 2013
- Shanghai Tobacco Group Co., Ltd.
- Da Wu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method of Testing Moisture Retention of Tobacco
- Publication number 20130226517
- Publication date Aug 29, 2013
- Da Wu
- G01 - MEASURING TESTING