Title:一种严寒地区穿山隧道冬季施工用移动式保温装置
Type of Patent:实用新型
Application Number:201420826347.7
Number of Inventors:12
Service Invention or Not:No
Application Date:2014-12-22
Publication Date:2015-07-22
Authorization Date:2014-12-22
Release Time:2018-12-06