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Valve, especially for water or emulsion hydraulics
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Gap filters, especially for mining hydraulics
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Device for controlling the neighborhood in underground cramping
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Hydraulic control hose for adjacent mining shield units
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Arrangement for the adjacent control of powered support assemblies in self-advancing support underground
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Arrangement for the adjacent control of powered support assemblies in self-advancing support underground
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US5325891A
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Hydraulic valve
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Hydraulic valve
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Energy converter on the hot-air engine principle
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Valve
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Hydraulic valve
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Hydraulic valve
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HYDRAULIC VALVE
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Coupling a bundle hose
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Spool type hydraulic control valve - makes use of blocking system to save energy
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Pressure relief valve for hydraulic pip-prop - has gas spring to hold valve piston on its seat
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DEVICE FOR SUPPORTING INTERMEDIATE CEILINGS CONTAINED IN THE DEGREASED HEIGHT OF ORDER
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Water/air mixing valve
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PRESSURE REDUCER VALVE
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Valve for an air conduit simultaneously used with a water conduit
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