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Application filed by Renholdningsselskabet Af 1898filedCriticalRenholdningsselskabet Af 1898
Priority to DK451975AApriorityCriticalpatent/DK138042B/da
Priority to SE7609176Aprioritypatent/SE419208B/xx
Publication of DK451975ApublicationCriticalpatent/DK451975A/da
Publication of DK138042BpublicationCriticalpatent/DK138042B/da
Application grantedgrantedCritical
Publication of DK138042CpublicationCriticalpatent/DK138042C/da