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A invention relates to an automatic coal seam permeability testing device and method
- Release time:2024-09-01
- Hits:
Affilication of Author(s):
中国矿业大学Scope of patent:
国内School Sign:
第一单位Disigner of the Invention:
chengyuanping,Wang Liang,haocongmeng,jiangzhaonan,Chenghao WangType of Patent:
InventState of Patent:
Authorized patentsApplication Number:
CN 201811283658.2Authorization number:
ZL 201811283658.2Number of Inventors:
6Service Invention or Not:
noApplication Date:
2018-10-31Authorization Date:
2021-09-24First Author:
Qingquan Liu