Method for determination of coal's calorific value
PL411525A1
System for monitoring and analysis of ventilation network as well as methane and fire hazard in the mining headings
PL410177A1
Method and system for synchronization of seismic and seismoacoustic measuring networks, preferably the intrinsically safe mining networks
PL409989A1
Method and the system for the analysis of the geological structure and relative stresses in the layers situated over the mining headings in the deep mines
PL409990A1
Method and the system for the assessment of the occurrence of a hazard of high-power shocks, generated by the underground exploitation
PL409988A1
Method and the system for detecting and minimising methane hazard within the excavation longwall area
PL409987A1
Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face
PL408324A1
Device for measuring the content of ashes in coal on the transporter
PL408323A1
Electro-hydraulic controller
PL407723A1
System of the central current leak protection
PL407726A1
Method and system for controlling the reception of the coal enrichment products in the water pulsators
PL407727A1
Method and system for controlling the quality parameters of working fluid in the DISA type dense medium separators
PL405163A1
System for active compensation of wattless power
PL405161A1
System of active compensator of wattless power
PL405162A1
System for controlling the active compensation of wattless power
PL403911A1
Method for control the reception of coal products in the aqueous pulse jig
PL403396A1
Electrohydraulic controller
PL400111A1
Fire protection system for the conveyor belt
PL396329A1
Measurement method for determining the distribution of dust and coal dust in the mine workings
PL394165A1
Method for controlling the reception of coal enrichment products in water pulsator jig
