CN102359377A
|
|
Three-dimensional zoned collaborative caving mining method for pillar groups
|
CN102278114B
|
|
Method for mining mass caving ore in three-dimensional sub region
|
CN102337892A
|
|
Upward drift filling method
|
CN102200013A
|
|
Emission-free production method of underground metal mine
|
CN102182462A
|
|
Track adhesive-removing method and device of deep-sea mining machine
|
CN102168598A
|
|
Tail-gas purifying and silencing apparatus for diesel engine
|
CN102080545A
|
|
High-risk jamb open-air deep hole cooperative recovery method
|
CN102004043A
|
|
High-capacity sampler for deep-sea polymetallic sulfide ore body
|
CN101915527A
|
|
Powder returning and recycling device for underground mine granular powder explosive charge equipment
|
CN101774225A
|
|
All-tailing cemented filling material stirring machine
|
CN101776514A
|
|
Method and device for testing rheological mechanical parameters of whole tailing structure liquid
|
CN101781111A
|
|
Mine-filling cementing material and preparation method thereof
|
CN101775611A
|
|
Self-convection radiating type water-electrolyzing hydrogen-oxygen generator
|
CN101555774A
|
|
Submarine deep-hole coring drilling rig
|
CN101555773A
|
|
Rotating type drill rod storage mechanism used for submarine automatic extension rod drilling rig
|
CN101557114A
|
|
Reactive power in-situ compensation device for deep-sea motor
|
CN101566182A
|
|
Deep sea pressure compensator
|
CN101531426A
|
|
Method for disposing and using full-tailing slurry and device thereof
|
CN101519967A
|
|
Method and device for extracting volcanogenic massive sulfide ore deposit on seabed
|
CN101498219A
|
|
Submarine hydrothermal solution sulfide mine mining vehicle
|