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DE3613579A1
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Process for socket production on plastic pipes with internally hollow ribs
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AU5187486A
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Means for constructing a modular pipe line
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ZA8509296B
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Pipe line to be disassembled for liquid and gaseous substances
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ES442308A1
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Perfectioning in mechanical devices for the sheet of plastic matters of tubes. (Machine-translation by Google Translate, not legally binding)
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GB1502123A
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Tool for shaping gasket seats in the inside of plastics material tubes
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FR2287318A1
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Smooth cutting extruded plastic tubing - with two opposite cutter rollers rotating round the work
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