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Application filed by Heimer Johannes WitickfiledCriticalHeimer Johannes Witick
Priority to FI760046ApriorityCriticalpatent/FI53237C/fi
Publication of FI760046A7publicationCriticalpatent/FI760046A7/fi
Application grantedgrantedCritical
Publication of FI53237BpublicationCriticalpatent/FI53237B/fi
Publication of FI53237CpublicationCriticalpatent/FI53237C/fi