TREA

Erich Huelmann

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  • Remscheid, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Saw blade
    • Patent number 6,058,923
    • Issue date May 9, 2000
    • Fa. Joh. Wilh. Arntz
    • Jan Wilhelm Arntz
    • B28 - WORKING CEMENT, CLAY, OR STONE