Hans Hofmann

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Hargesheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Filter material in the form of flexible leaves or sheets and a meth...
- Patent number 5,223,139
- Issue date Jun 29, 1993
- Seitz Filter Werke Theo & Geo Seitz GmbH & Co.
- Helmut Ruger
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS