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FRITZ WINTERBERG
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FRITZ WINTERBERG
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Publication of FR375681ApublicationCriticalpatent/FR375681A/fr
A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
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FR375681D1907-03-141907-03-14Dispositif de sureté pour les orifices de récipients destinés à contenir des liquides volatils inflammables
ExpiredFR375681A
(fr)