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FR2518011A1
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Continuous prodn. line for circumferentially ribbed tube - using sets of moulds on compact conveyor system
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FR2516439A1
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Electrically fusible liners for thermoplastic pipework joints - pre-assembled by partial fusion for satisfactory alignment
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OA6277A
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Seal ring for pipe fitting.
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EP0005104A1
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Apparatus for the continuous production of finned tubular bodies of synthetic plastics and the corresponding finned tubular bodies
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NL7800823A
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Flame retardant for a resin based on rigid polyvinyl chloride and such flame retardant resin of the above made.
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CA996324A
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Lightened polyvinyl-chloride sections and a method for manufacturing such sections
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DE2126976A1
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Extrusion press - with section of constant diameter to allow foaming action to stabilise
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ES385500A1
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Assembly and process for manufacturing tubes of polyvinyl chloride and tubes obtained by the process
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