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NL7907424A
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Forming plastic pipe socket - by radial expansion using three-part former
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US4120521A
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Combined mould element and sealing ring
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US3929958A
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Process for producing radially-expanded socket ends on thermoplastic pipe lengths
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US3887992A
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Process of producing a socket joint between a pair of lengths of thermo-plastic pipe
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US3776682A
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Apparatus for producing radially-expanded socket ends on thermoplastic pipe lengths
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ZA7202630B
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Improved process and apparatus for producing radially-expanded socket ends on thermoplastic pipe lengths
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FR2132369A1
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Expanding thermoplast pipe end - using moulding which remains permanently in pipe
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ZA7201945B
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Improvements in or relating to producing socket ends on closed profiles
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FR1365223A
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Molded plastic strip, especially for ceilings
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GB983809A
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Improvements in ceiling and like moulding strips for concealing joints
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