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DE1077776B
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Device for inductive current consumption, arranged displaceably on a cable
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DE1002267B
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Weather door with a handle bar
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DE935785C
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Method and device for stealing expansion shields under offset pressure when mining coal fines
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DE936258C
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Steel plate conveyor
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DE960808C
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Method for regulating the rate of advance of an extraction device
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DE1005019B
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Extraction device that is designed as a planing or peeling device and is moved by an endless traction device via releasable coupling bodies
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DE907630C
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Procedure for signaling or control in mining operations
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DE921688C
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Device for driving offset centrifugal machines
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DE913404C
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Method for the expansion of struts using extraction elements
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DE919403C
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Method and device for driving displacement centrifuges arranged on a face conveyor
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Offset centrifuge loaded from a troughed conveyor
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DE919761C
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Extraction device driven by an endless revolving means
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DE828688C
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Method and device for changing pipes or rods in boreholes
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Resilient pit stamp
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DE886286C
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Mining machine
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DE873056C
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Signaling device for underground operations
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DE836186C
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Extraction and loading machine for the mining of coal fields
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DE841737C
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Longwall mining
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DE824508C
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Electric face construction
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DE819221C
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Device for the automatic monitoring of the transition points of conveyor belts connected in series
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