Hans Ehrnstrom

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Gyttorp, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the preparation of a water-in-oil type emulsion explosiv...
- Patent number 4,737,207
- Issue date Apr 12, 1988
- Nitro Nobel AB
- Hans Ehrnstrom
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Process for the preparation of a water-in-oil emulsion explosive an...
- Patent number 4,711,678
- Issue date Dec 8, 1987
- Nitro Nobel AB
- Hans Ehrnstrom
- C06 - EXPLOSIVES MATCHES