MH

Michel Hivert

SE Societe Nationale Des Poudres Et Explosifs: 1 patents #87 of 243Top 40%
Overall (All Time): #3,850,004 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5111657 Propulsion device comprising a block of propellant provided with a central duct of variable section Raymond Coleno 1992-05-12