AU2020102725A4
|
|
High temperature fire source peephole detection device
|
CN112194770A
|
|
Functionalized UIO-66/polyurethane composite grouting reinforcing agent and preparation method thereof
|
CN112130206A
|
|
Underground roadway full-space seismic detection system and detection method
|
AU2020102375A4
|
|
Drilling Device and Method for Loose Coal Rock
|
CN112285277A
|
|
Coal and gas outburst coal body tracing and cave body development testing method
|
CN112257745A
|
|
Hidden Markov-based method and device for predicting health degree of underground coal mine system
|
CN112081619A
|
|
Coal mine underground coal seam gas extraction regulation and control system and regulation and control method
|
CN112145390A
|
|
Liquid supply equipment, control method thereof, hydraulic system and safety valve detection system
|
CN112213792A
|
|
Transient electromagnetic method-based water-containing geologic body water-enrichment prediction method
|
CN112267778A
|
|
Mining ann's case and interior hinge mechanism thereof
|
CN112285449A
|
|
Decoupling device and system
|
CN112044396A
|
|
Adsorbent capable of being regenerated in situ and preparation method and application thereof
|
CN112149279A
|
|
Mining area earth surface large-range motion trend judgment method based on unmanned aerial vehicle aerial survey
|
CN112142946A
|
|
Coal mine reinforcing material prepared from vegetable oil polyalcohol and preparation method thereof
|
CN112142950A
|
|
High-performance coal mine reinforcing material and preparation method thereof
|
CN112132311A
|
|
Opencut coal mine working slope landslide treatment method based on reduction of production influence degree
|
CN111964620A
|
|
Near-field coal rock displacement dynamic monitoring device and method in coal and gas outburst process
|
CN111913216A
|
|
Roadway surrounding rock stability force structure cooperative monitoring method influenced by repeated mining
|
CN111946378A
|
|
Light electric bracket for coal mine
|
CN112071675A
|
|
Switch for explosion-proof box and fixed mounting structure thereof
|