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Application filed by Zeiss Ikon AgfiledCriticalZeiss Ikon Ag
Priority to FI751892ApriorityCriticalpatent/FI62397C/fi
Publication of FI751892A7publicationCriticalpatent/FI751892A7/fi
Publication of FI62397BpublicationCriticalpatent/FI62397B/fi
Application grantedgrantedCritical
Publication of FI62397CpublicationCriticalpatent/FI62397C/fi