Inventor

DONG AIJUN

CN2 patents

Patents

2 patents

US11490657B2Nov 8, 2022

Axially rotating electric heating device for extracting tobacco

HUBEI CHINA TOBACCO IND CO LTD0 citations57

US11350668B2Jun 7, 2022

Production method of needle-type heater

HUBEI CHINA TOBACCO IND CO LTD0 citations46