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Application filed by August HeinzlefiledCriticalAugust Heinzle
Priority to AT891474ApriorityCriticalpatent/AT335829B/de
Publication of ATA891474ApublicationCriticalpatent/ATA891474A/de
Application grantedgrantedCritical
Publication of AT335829BpublicationCriticalpatent/AT335829B/de