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Esser-Werke GmbH Vorm. Westmontan-Werke

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  • Warstein, DE
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  • Information Patent Grant

    Method of manufacturing double-walled tube
    • Patent number 4,497,673
    • Issue date Feb 5, 1985
    • Esser-Werke GmbH Vorm. Westmontan-Werke
    • Alexander Esser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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