Tunnel surface leveling device for tunnel concrete guniting vehicle
ZENG ZHIFA, LIU RUIQUAN, PU DUAN, LIU MINGWEI, ZHONG MING, ZHANG YI, ZHOU XIONG, LI JINGRUO, CHEN DUNLI
Year of Publication 05.05.2023
Get full text
Year of Publication 05.05.2023
Patent
Hot gas valve
CHEN TAO, CHEN KEZHENG, ZHANG JIAN, CHEN ZELONG, CHEN CHENG, CHEN DUNLI
Year of Publication 23.11.2016
Get full text
Year of Publication 23.11.2016
Patent