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Bjorn R. Petterson
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Oslo, NO
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last 30 patents
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Patent Grant
Water in oil emulsion explosives containing a nitrate salt with an...
Patent number
5,431,757
Issue date
Jul 11, 1995
Dyno Industrier A.S
Bjorn R. Petterson
C06 - EXPLOSIVES MATCHES
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Patent Grant
Emulsion explosive
Patent number
4,500,369
Issue date
Feb 19, 1985
Norsk Hydro a.s
Arne Tag
C06 - EXPLOSIVES MATCHES