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DE801625C
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Lake shore protection with concrete blocks on a movable, dense ceiling
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DE713890C
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Beams or panels made of concrete or reinforced concrete for subdividing excavation pits enclosed with sheet piling
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DE697831C
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Air raid protection system
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DE661762C
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Formwork with transverse webs resting on the support flanges to accommodate the formwork
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DE665472C
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Foundation of structures in a construction pit with sheet piling
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DE609976C
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Process for the production of a watertight construction pit enclosure
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DE527709C
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End connection of the segments of lining rings for shafts u. like
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DE620764C
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Driving shield for the creation of tunnels or galleries in soft or water-bearing soil
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DE532446C
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Construction elevator with guide mast
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DE523059C
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Dowel rod for installation in concrete ceilings
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DE500359C
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Process for the production of seamless pressure pipes made of concrete or reinforced concrete in pipe tunnels
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DE635698C
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Binder frame for residential houses
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DE574029C
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Building skeleton for multi-storey row houses in reinforced concrete
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DE510511C
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Shuttering for concrete ceilings
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DE578162C
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Formwork for the ribs of concrete ceilings between I-beams
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DE520865C
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Intermediate piece made of concrete for the storage of cement slabs, finished reinforced concrete beams u. Like. For footpaths on iron structures
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