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Patents Grantslast 30 patents

Information Patent Grant
Electret fibers having improved charge stability, process for the p...
- Patent number 5,871,845
- Issue date Feb 16, 1999
- Hiecgst Aktiengesellshat
- Jorg Dahringer
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS