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Priority claimed from NL7700233Aexternal-prioritypatent/NL177795C/xx
Priority claimed from NL7700677Aexternal-prioritypatent/NL178050C/xx
Priority claimed from DK12678Aexternal-prioritypatent/DK12678A/da
Application filed by Pieter MeynfiledCriticalPieter Meyn
Publication of DK393483ApublicationCriticalpatent/DK393483A/da
Publication of DK393483D0publicationCriticalpatent/DK393483D0/da