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Polymer tubing
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Patent number 5,792,532
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Issue date Aug 11, 1998
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Ems-Inventa AG
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Wolfgang Pfleger
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Multilayer polymer pipe
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Patent number 5,716,684
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Issue date Feb 10, 1998
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Ems-Inventa AG
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Georg Stoeppelmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Coolant conduits
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Patent number 5,706,864
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Issue date Jan 13, 1998
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Ems-Inventa AG
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Wolfgang Pfleger
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B32 - LAYERED PRODUCTS
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Blow-molded coolant conduit
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Patent number 5,588,468
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Issue date Dec 31, 1996
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Ems-Inventa AG
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Wolfgang Pfleger
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sequentially coextruded coolant conduit
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Patent number 5,560,398
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Issue date Oct 1, 1996
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Ems-Inventa AG
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Wolfgang Pfleger
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL