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DE3808269A1
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Method of constructing a retaining dam and prefabricated steel member, in particular for a retaining dam constructed according to this method
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DE3445069C1
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Support in the face/roadway transition area
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DE2840560A1
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Resilient mine gallery support segment clamping system - involves paired half plates with overlapping upper and lower fish-plates on flanges
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DE2808994A1
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Sheet material mine anchorage system - has perforated or expanded metal sheets embedded in cement or adhesive in radial slots
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DE2614791A1
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Combined tunnel roof support and shuttering - has support centrally under shuttering sheets which bend round support at edges
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DE2210896A1
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CONNECTING CLAMP FOR NESTING SECTIONS OF CHANNEL PROFILE SEGMENTS OF THE SLIDING BEND SUPPORT, IN PARTICULAR OF THE PIT LINE
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DE1926863A1
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Expansion for tunnel or mine routes
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DE1554103A1
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Sleeping facility for shelters, especially air raid shelters
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DE1259815B
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Spacers for the segments of adjacent expansion frames in the expansion of the pit
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DE1179236B
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Guiding device for roadways
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DE1167295B
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Resilient connection for profiles lying one inside the other, especially for the expansion of the line in mining operations
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DE1119197B
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Work platform that can be moved on rails for mining
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