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Publication of DE181486CpublicationCriticalpatent/DE181486C/de
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Priority to AT29387DpriorityCriticalpatent/AT29387B/de
Rohrrücklaufgeschütz, das außer dem Vorholer zwei Akkumulatoren besitzt, von denen der eine das Öffnen und der andere das Schließen des Verschlusses bewirkt