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PL416065A1
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System for adjustments of output of the ventube fans in explosion-proof execution
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PL416004A1
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Lightweight and mobile sound barrier
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PL415979A1
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Installation to increase the combined cutter loader mining unit safety zone
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PL415327A1
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Electrical energy generator, powered by changes in the working medium pressure in the hydraulic system
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PL415056A1
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Acoustic baffle for individual protection of building objects, preferably against noise
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PL414623A1
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Self-cleaning grate with hydraulic drive, preferably for tubular water turbines
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PL413450A1
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Sealing of a valve that opens or closes the liquid flow
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PL412270A1
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Three-function valve of the individual hydraulic prop
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PL412111A1
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Method for determination of acoustic environment climate within the area of large surface industrial object
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PL411781A1
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Hydraulic prop with internal pump, resistant to the action of dynamic load
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PL411228A1
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Control system of the bucket conveyor link tension
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PL410574A1
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System of signalling and response to to coal dust explosions in the mine undergrounds
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PL410554A1
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Accumulator battery monitoring and managing system
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PL410197A1
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Device for cleaning the suspended monorail route
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PL410015A1
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Method for braking belt conveyors by direct affecting the belt
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PL409636A1
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Closing and opening flow control device
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PL409481A1
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Valve assembly with electromagnetic intermediate control
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PL409263A1
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Pumping installation in the output hydraulic transport system, particularly at sinking of a mining shaft
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PL409224A1
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Chucking head with hydraulic system of jaws clamping
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PL408586A1
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Foundation assembly of the hydraulic-diesel engine of the mining rack locomotive
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