Cheng Yanhai

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巷道路面铺筑设备与方法
Release time:2020-10-30  Hits:

Disigner of the Invention:zhuzhencai,潘家保,Peng Yuxing
Type of Patent:国内
State of Patent:专利授权
Application Number:201210378967.4
Number of Inventors:4
Service Invention or Not:no
Application Date:2012-10-09
Authorization Date:2014-10-29
First Author:Cheng Yanhai