Cheng Yanhai

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一种矿井巷道路面铺筑器材
Release time:2020-10-30  Hits:

Affilication of Author(s):机电工程学院
Disigner of the Invention:zhuzhencai,潘家保,Peng Yuxing
Type of Patent:国内
State of Patent:专利授权
Application Number:201210378674.6
Number of Inventors:4
Service Invention or Not:no
Application Date:2012-10-09
Authorization Date:2015-01-21
First Author:Cheng Yanhai