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DD260545A1
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Axial bearing for a drilling drilling tool of drilling technology
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DD260106A1
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Segment bearing for a drilling tool of tief drilling technology
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DD260376A1
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Drive arrangement for linear positioning equipment
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DD260059A1
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Process for preparing an organic fertilizer
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DD259223A1
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Arrangement for transmitting measurements, especially of a pressure, from a expected drilling of drilling technology
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DD257232A1
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Fastening device for securing goods on loading areas
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DD250797A1
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Arrangement for regulating the speed limitation of hydrodynamic delivery gears in mobile drilling systems
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DD249135A1
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Arrangement for speed control of a drive system with asynchronous motors
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DD248168A1
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Device for controlling the movement of a cementing head for deep drilling technology
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DD259108A3
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Device for measuring borehole pressure in deep drilling
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DD246807A1
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Zementationspacker
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DD247283A1
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Arrangement for magnetic testing of the surface of ferromagnetic workpieces
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DD246143A1
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Arrangement for implementing an lift test
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DD245922A1
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Device for receiving a measuring roller and for carrying out a measurement cable for geophysical measurements
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DD242448A1
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Method of torque measurement for drilling plants
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DD241764A1
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Rolling drilling tool for deep drilling technology
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DD241630A1
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Hakenlastmessgeraet for bottom drilling
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DD241019A1
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Method and device for pre-treating a plastic pipe
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DD240050A1
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Bearing for a drilling tool of drilling technology
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DD234898A1
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Method and arrangement for performing a layer testing test
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