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Bernard Ducourneau
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La Teste, FR
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Patent Grant
Dual-mode propellant charge with a trumpet-shaped channel possessin...
Patent number
4,466,352
Issue date
Aug 21, 1984
Societe Nationale des Poudres et Explosifs
Francis Dalet
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS