Roland G. Apelgren

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Vaxjo, SE

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning process control method for textile barrier filter material
- Patent number 4,277,255
- Issue date Jul 7, 1981
- Aktiebolaget Svenska Flaktfabriken
- Roland G. Apelgren
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL