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DE721062C
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Method and devices for overcoming the resistance when pulling out components, in particular jacking pipes, piles and the like. like
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DE705638C
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Stretchable coat for the production of site stakes
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DE738329C
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Device for the production of location posts
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DE718272C
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Expandable sheet metal jacket for the production of site posts made of concrete or another building material
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DE696969C
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Procedure for lowering and, if necessary, pulling back construction equipment and components in the ground
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DE710573C
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Process for the production of shafts, shaft wells, pipe wells or the like.
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DE686755C
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Expandable sheet metal jacket for the production of concrete stakes
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DE701118C
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Device for lowering jacking pipes using a motor-driven tool
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DE674880C
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Device for determining the load-bearing capacity of the ground
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DE688231C
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Procedure for determining the load-bearing capacity of piles
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DE618955C
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Equipment for the production of Ortpfählen with foldable jacket
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DE618490C
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Stretchable coat for in-situ concrete piles
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DE714438C
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Procedure for the foundation of structures
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