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Kiefer, Klaus, Jurgen and Straten, Gunter

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    Pair of measuring compasses
    • Patent number 4,843,719
    • Issue date Jul 4, 1989
    • Kiefer, Klaus, Jurgen and Straten, Gunter
    • Gunter Straten
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

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