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Application filed by Johann Berger, Josef BergerfiledCriticalJohann Berger
Priority to DK198684ApriorityCriticalpatent/DK151136C/da
Publication of DK198684D0publicationCriticalpatent/DK198684D0/da
Publication of DK198684ApublicationCriticalpatent/DK198684A/da
Publication of DK151136BpublicationCriticalpatent/DK151136B/da
Application grantedgrantedCritical
Publication of DK151136CpublicationCriticalpatent/DK151136C/da