Arvid S. Dahlberg

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Tidan, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for control of the surface weight of a mineral wool mat
- Patent number 4,210,432
- Issue date Jul 1, 1980
- Rockwool Aktiebolaget
- Hans E. O. Brelen
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS