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Priority claimed from DEH32873Uexternal-prioritypatent/DE1804492U/en
Priority claimed from DEH33120Uexternal-prioritypatent/DE1810056U/en
Application filed by Heibacko Herdfabrik Staudt & BfiledCriticalHeibacko Herdfabrik Staudt & B
Publication of BE594594ApublicationCriticalpatent/BE594594A/en