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Priority claimed from DER20959Aexternal-prioritypatent/DE1090031B/de
Priority claimed from DER22972Aexternal-prioritypatent/DE1256375B/de
Application filed by Rowenta Metallwarenfab GmbhfiledCriticalRowenta Metallwarenfab Gmbh
Publication of BE576902ApublicationCriticalpatent/BE576902A/fr