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Apparatus for automatic arc welding of tubes provided with tube plate
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Arrangement for positioning and retaining articles to be welded
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Machine for bending tube plates
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Device for hydraulic tests of hollow articles
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Grinding and polishing tool
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Self-tipping box
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Device for assembling tubular heat exchanges
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Adjustable tray
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Dummy plug for tube-type hollow articles
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Device for making sealing joint of pipe and wall
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Screw conveyer
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Device for cutting pipes
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Device for cleaning conveyer belt
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Apparatus for forming throat portions of pipes
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Apparatus for feeding cylindrical articles to work stations
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Device for breaking chips while drilling
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Mechanism for converting reciprocating-to-rotary motion
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Arrangement for displacement of objects
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Automatic vacuum gripping device
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Arrangement for successive delivery of pipes
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