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Coal seam gas parameter detection method and device based on dead space pressure conversion
- 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:
liujingjing,lvbiao,anhaoxue,chengyuanping,chupeng,luyanfeiType of Patent:
Utility modelsApplication Number:
CN 201921139615.7Authorization number:
ZL 201921139615.7Number of Inventors:
7Service Invention or Not:
noApplication Date:
2019-07-19Authorization Date:
2020-04-21First Author:
Qingquan Liu