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Pipeline repair apparatus including expandable forms
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Apparatus for use in repairing a pipeline and method for carrying out such repairs
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Method and apparatus for in situ repair of pipelines while maintaining liquid flow therethrough
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Apparatus for mechanically projecting devices through tubes
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Appliance for storage and selectively designing a flexible boom
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Apparatus for projecting devices through the tubes of heat transfer units in an on-line condition
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Apparatus for projecting devices through tubes and conduits
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Method of repairing a pipeline and apparatus for use in such a method
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Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices
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Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices
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Apparatus for projecting a flexible cable through a tube to be cleaned
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Tube cleaning apparatus
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Tube cleaning apparatus
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