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Priority claimed from DE1945498Aexternal-prioritypatent/DE1945498C3/de
Priority claimed from DE19702009678external-prioritypatent/DE2009678C3/de
Priority claimed from NL7012487Aexternal-prioritypatent/NL164190C/nl
Application filed by Gizeh Werk GmbhfiledCriticalGizeh Werk Gmbh
Publication of NL8003594ApublicationCriticalpatent/NL8003594A/nl
Publication of NL173016BpublicationCriticalpatent/NL173016B/nl