Retail & Household
| Thu 28 May 2026
Beijing, May 28 -- Nantong Cigarette Filter has filed a patent application for Method and Device for Detecting End Face Pattern of Hollow Filter Stick. This invention was developed by Lu Fei, Sun Qingjie, Li Mao, Ni Lamei, Zou Meijian, Song Junhan, Meng Jinjing, Lou Zhongyu, Huang Yang and Ge Jingjing.
The patent application nu..