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DE888084C
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Slotting machine for brown coal civil engineering
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DE909921C
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Slot machine for underground operation
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DE741277C
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Schraemmaschine without guide bed, each with a drive motor for the Schraemkopf and for the winch
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DE534083C
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Side tipper for mine trucks built in the style of the rotary luffing machine
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DE537782C
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Transportable sliding platform
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DE509029C
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Control for compressed air tools with stepped control slide
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DE547527C
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Drill rods consisting of individual pieces with a screw conveyor
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DE382007C
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Seal for dust catcher in the borehole
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