Gummar Cederqvist

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S Lerdala, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of a fibrous mat
- Patent number 4,284,471
- Issue date Aug 18, 1981
- Rockwool Aktiebolaget
- Gummar Cederqvist
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...