Improvements in or relating to a hollow body engaging device
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Hot machining of workpiece using plasma torch heat source - mounted for transverse movement in series of arcuate passes to soften workpiece ahead of machine tool (ZA 28.3.79)
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Gripping means
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Torch traversing mechanism
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Hot machining of workpiece using plasma torch heat source - mounted for transverse movement in series of arcuate passes to soften workpiece ahead of machine tool (ZA 28.3.79)
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Method of withdrawing elongate tubular members
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Hot machining
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PROCESS FOR CONNECTING OR REINFORCING THERMOPLASTIC MATERIALS OR MATERIALS COVERED WITH THERMOPLASTIC MATERIALS
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Machining
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Damping vibrations in sheet material
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Method for pulling tubes from the bore of the end plates and intermediate plates of a heat exchanger, and apparatus for performing the method