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Multilayer plastic pipe
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Patent number 5,478,620
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Issue date Dec 26, 1995
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Huels Aktiengesellschaft
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Joachim Mugge
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Multilayer plastic pipe
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Patent number 5,449,024
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Issue date Sep 12, 1995
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Huels Aktiengesellschaft
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Stefan Rober
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multilayer plastic pipe
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Patent number 5,404,915
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Issue date Apr 11, 1995
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Huels Aktiengesellschaft
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Joachim Mugge
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B32 - LAYERED PRODUCTS
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Thermoplastic laminates
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Patent number 5,362,529
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Issue date Nov 8, 1994
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Huels Aktiengesellschaft
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Joachim Mugge
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B32 - LAYERED PRODUCTS
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