Service Invention or Not:no
刘清秉
Click:
The Last Update Time:..
Patents
王臻华; 项伟; 刘清秉; 徐溪晨，一种分层环刀制样器,，2018.05.18，中国，ZL201721158318.8
Release time:2024-02-19 Hits:
Copyright © China University of Geosciences, Wuhan