Firma Constantin Hang GmbH & Co.

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Patents Grantslast 30 patents

Information Patent Grant
Device for joining a suspension or fastening device with a folder o...
- Patent number 4,262,404
- Issue date Apr 21, 1981
- Firma Constantin Hang GmbH & Co.
- Eberhard Hang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER