一种适用于井巷的封孔堵漏材料及使用方法

• Affilication of Author(s):矿业工程学院
• Disigner of the Invention:陈冬冬,zhangyidong,崔满堂
• Type of Patent:国内
• State of Patent:专利授权
• Application Number:201410015466.9
• Number of Inventors:4
• Service Invention or Not:no
• Application Date:2014-01-14
• Authorization Date:2016-06-22
• First Author:CJY