露天矿采场中间搭建纵向组合桥运输方法

Release time:2020-10-30 Hits:

Affilication of Author(s):矿业工程学院

Disigner of the Invention:杨飞,zhouwei,才庆祥

Type of Patent:国内

State of Patent:专利授权

Application Number:201510209695.9

Number of Inventors:4

Service Invention or Not:no

Application Date:2015-04-28

Authorization Date:2017-03-08

First Author:chenshuzhao