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Hans-Joachim Ciszewski

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  • Einhausen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-walled, flexible hose
    • Patent number 4,531,551
    • Issue date Jul 30, 1985
    • Siemens Aktiengesellschaft
    • Leo Eichelberger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...