Inventor
DUAN MINGNAN
CN4 patents
Patents
4 patentsUS10888907B2Jan 12, 2021
Mixed jet descaling device axially and eccentrically arranged for inner wall of pipe
BAOSHAN IRON & STEEL0 citations42
US10493498B2Dec 3, 2019
Method for arranging jet cleaning nozzles
BAOSHAN IRON & STEEL0 citations34
US9815172B2Nov 14, 2017
Method of steel sheet surface treatment and apparatus of the same
BAOSHAN IRON & STEEL0 citations34
US9604268B2Mar 28, 2017
Cold state metal plate strip surface treatment system and treatment method of the same
BAOSHAN IRON & STEEL0 citations31