Method for planning, construction and operation of a building
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Method for removing soils
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Method of forming an underground bore and apparatus for carrying out the same
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Anchor system for anchoring of load in especially concrete component has larger and smaller diameter bore sections to accommodate anchor head and shank respectively, and foot protruding radially relative to diameter of anchor shank
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Hinged work platform
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Pipe spacer
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Method for laying a pipeline and laying device for carrying out the method
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Soil mining method and apparatus for carrying out the method
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Method of constructing an extended free chamber between two tunnel segments
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Underground seal, especially for securing an excavation
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Add-on element for guideway supports of magnetic levitation trains
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Fire resistant concrete constructural element
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Tool for managing bids
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Double tunnel
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Arena, especially sport arena
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Sports arena, with playing field, uses buoyancy drives at field corners below to raise field to roof level by drives connected to field supporting structure
