Formwork element of a flat joint formwork and method for its expansion
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Method and device for precisely maintaining the vertical direction of excavation of a diaphragm wall
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Drilling appts. for producing tubed deep bore, partic. for pile foundations - involves rope excavator with free fall device to which a tube rotary machine is linked
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Method and device for solidifying a landfill of pre-compacted waste with the development of additional capacity for fresh waste
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Pipe connection for drill pipes
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Cylindrical cutting head forms extension of borehole drill pipe
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Electrohydraulic control for a casing machine for cased bores in the ground
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Support for tubes of a tube bundle inside a vessel
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Hammer grab for producing holes in the earth
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HYDRAULIC PIPING MACHINE FOR PILE FOUNDATIONS AND RELATED CONTROL
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TENSION CLAMP FOR DRILL PIPES
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Pipe drawing machine for pulling a drill pipe from the ground
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Method and apparatus for sinking a cased borehole for producing cased pile foundations
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Pipe drawing machine
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PIPE DRAWING MACHINE
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DEVICE FOR THE STEP-BY-STEP PULLING OF RAMED STAKES, IN PARTICULAR H-BEAMS
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Levelling control for raisable abutment beam in waterway lock - using two horizontally spaced pairs of unequal length electrodes immersed in conductive liq. container on beam
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Device for depositing a piped deep hole for producing a piped foundation
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PROCESS AND SYSTEM FOR DRILLING A PIPED DEEP DRILLING FOR THE PRODUCTION OF PIPED PILE FOUNDATIONS
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Borehole auger drill for column foundations - has drive and clamp and hydraulic actuator for downwards movement