Language : English
周福宝

Patents

一种松软煤层分步式钻护一体化系统及工艺

Hits:

Affilication of Author(s):安全工程学院

Disigner of the Invention:高峰,刘春,王圣程,liuyingke,庞叶青

Type of Patent:国内

State of Patent:专利授权

Application Number:201210056441.4

Number of Inventors:6

Service Invention or Not:no

Application Date:2012-03-06

Authorization Date:2014-07-30

First Author:周福宝