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Filing date
Publication date
Priority to NL296363DpriorityCriticalpatent/NL296363A/xx
Application filed by Johann Zulzberger, Steppach Bei Augsburg, Gebhard WeigelefiledCriticalJohann Zulzberger
Priority to DK263164Aprioritypatent/DK109063C/da
Application grantedgrantedCritical
Publication of DK109063CpublicationCriticalpatent/DK109063C/da