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Avions Kellner Bechereau S A
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Avions Kellner Bechereau S A
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Application filed by Avions Kellner Bechereau S AfiledCriticalAvions Kellner Bechereau S A
Application grantedgrantedCritical
Publication of FR866509ApublicationCriticalpatent/FR866509A/fr
FR866509D1940-04-161940-04-16Perfectionnements apportés aux procédés pour la construction des corps creux telsque les stuctures d'avions
ExpiredFR866509A
(fr)