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DE458129C
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Swiveling multiple steel holder to be placed on a machine tool
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DE450771C
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Drive device for generating an axial movement of the workpiece slide suitable for dressing the grinding wheel on cylindrical grinding machines
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DE450881C
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Tailstock for machine tools
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DE449906C
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Switchable stop for turning benches
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DE444085C
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Thread cutting device for automatic turning bars
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DE444450C
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Fastening device for the tool holder in the work spindle of machine tools
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DE435284C
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Driver arrangement for two nested and axially displaceable rotating shafts
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DE450309C
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Method for backworking cutting tools whose cutting edge is a broken line
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DE408530C
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Casting machine with gas pressure
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DE382160C
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Start-up device for working tables going back and forth on machine tools
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DE370751C
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Idle pulley running on ball bearings
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DE352691C
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Ball joint
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