Bridge structure made of reinforced or prestressed concrete for installation at crossings of existing railway lines with traffic routes to be underpassed
DE1266237B
Filler pipe and method for producing reinforced or unreinforced in-situ concrete piles
DE1123989B
Caisson for bridge piers or the like, which is floated in
DE812463C
Structures such as ceilings, support walls, etc. Like., From reinforced concrete prefabricated components
DE818174C
Guide, guide, string albums or the like.
DE821358C
Method and device to compensate for the deflection of formwork beams for teaching scaffolding u. like
DE811459C
Material lock for compressed air work
DE858972C
Safety lock to prevent air from escaping from the work area of a caisson
ES161637A1
Improvements introduced in shears for terraplenes, especially for containment diagrams
ES158538A1
Compressed air float drawer with extraction chimney
DE757014C
Sealing shield as core or cover of dams
DE858971C
Compressed air caisson with special ventilation device
DE854267C
Detection of changes of direction in inaccessible structures by a pendulum
DE752908C
Compressed air caisson with a conveyor shaft open at the bottom
DE759480C
System for lowering the groundwater and at the same time returning the water to the ground
DE752268C
Pump device for clearing out the working space of a compressed air cesspool
