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Publication of FR848091ApublicationCriticalpatent/FR848091A/fr
A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
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FR848091D1938-12-281938-12-28Dispositif pour empêcher l'allumage et l'explosion des liquides volatils contenus dans des récipients
ExpiredFR848091A
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