Inventor
CHEN CHONGMU
CN2 patents
Patents
2 patentsUS12486549B2Dec 2, 2025
Moderate-strength steel rail and production method thereof
PANGANG GROUP PANZHIHUA IRON & STEEL RES INSTITUTE CO LTD0 citations47
US10214799B2Feb 26, 2019
Heat treatment method for increasing the depth of hardening layer in a steel rail and steel rail obtained with the method
PANGANG GROUP PANZHIHUA IRON & STEEL RES INSTITUTE CO LTD0 citations36