TREA

Reiner Erkelenz

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  • Cologne, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Laser-writable material
    • Patent number 4,959,406
    • Issue date Sep 25, 1990
    • Bayer Aktiengesellschaft
    • Eckard Foltin
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS