Method and device for stowing vertical shafts crossed by stage mine-spaces
HU9200632D0
Method for filling vertical shafts or ducts and their connecting spaces opening into daylight
HU908457D0
Process for reducing dangerous waste material character of old, rejected production or used dry batteries as well as for recovery of components included in them
HU895878D0
Injecting rock anchor for mechanical and binder reinforcing rocks
DE3915922A1
Method and device for stabilising and supporting rock
HUT56435A
Method for building temporary or pemanent pressure-tight barrier eliminating the water-flow in whatever underground hollow, mine drift, shaft, closed-section channel, gallery- or tunnellike heading and other space and re-obtaining the water sealing of failured barriers became permeable
HUT53182A
Method for regenerating the water of bathing and medicinal lakes (pools) supplied from spring or well by thermal and/or medicinal water, for water-stock and energy-spare improving the balneological value and/or oecological state of bathing water with partial or total utilizing the physical and/or chemical factors of drained used water
HUT52253A
Apparatus for examining explosive materials, explosion devices and accessories thereof
HUT52254A
Measuring apparatus, preferably for explosion technology purposes
HUT57857A
Method for forming water-barring zones carried out with solidificating sludge
DE3823495A1
HYDRAULIC STONE-DRILLING HOLE HOLE PROBE AND METHOD FOR ITS USE
HUT50248A
Method for filtering and drying initiating matter or components of such matter made by separating process and forming into handling-safe product
HUT52020A
Liquide explosive material utilizable for producing gel and mixing-charging apparatus for explosive materials
HUT54580A
Method for the water protection of mines by maintaining the quantity and quality balance of regional water household by dynamic method
HUT50969A
Device for checking ventillation of a mine
HU198544B
Apparatus for transporting loads between mine stages
HU201508B
Process for freeing of acid influence of fertelizer and assuring of regulated deposition of the active substance
HUT47694A
Self-stretching hydraulic rock anchor
HUT49083A
Pneumatic brake-effect controlling valve
HU201827B
Method for constructing final water-dam in natural and/or artificial underground holes, channel- tunnelike drifts and mine drifts
