Nils G. Cederqvist

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Lerdala, SE

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Patents Grantslast 30 patents

Information Patent Grant
Process for separating mineral wool fibers from nonfibrous materials
- Patent number 4,254,823
- Issue date Mar 10, 1981
- Berol Kemi AB
- Nils G. Cederqvist
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES