Patents
一种交叉布置的U型对穿锚煤岩柱支护装置
- Disigner of the Invention:张农,Xiaowei Feng,花锦波,刘玉栋,张天池,洪昊
- Type of Patent:国际
- State of Patent:专利授权
- Application Number:201320022808.0
- Number of Inventors:7
- Service Invention or Not:no
- Application Date:2013-01-15
- Authorization Date:2013-08-21
- First Author:zhengxigui
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