Sigurd Back

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Karlskoga, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the manufacture of composite explosives
- Patent number 4,714,572
- Issue date Dec 22, 1987
- Nobel Kemi AB
- Sigurd Back
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Method of phlegmatization of crystalline explosives and other explo...
- Patent number 4,699,741
- Issue date Oct 13, 1987
- Nobel Kemi AB
- Sigurd Back
- C06 - EXPLOSIVES MATCHES