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Device for thermal cutting of metal
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Apparatus for determining spatial relationship between two tubular objects not axially aligned
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Arrangement for determining space interrelation between two noncoaxial tubular elements
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Apparatus for assembling flanged pipes
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Arrangement for guiding the travel of welding and gas-cutting machines
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Device for taking apart cylindrical articles package
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Bed for assembling and welding cylindrical sections of ship hull
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Method of forming the plating for a curving section of a ship hull and apparatus for performing same
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Method of assembling curvilinear sections of ship hull
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Method of electric arc welding of large-size shell annular seams
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Tube cutting method
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Method of assembling curvilinear section of ship hull
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