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Application filed by Mikhail Yakovlevi Meshengisser, Ivan Semenovich Ermakov, Kochkin Georgy M, Alexandr Viktorovich Stankun, Filipp Nikolaevich Shakhov, Ilya Pinkhusovich Velednitsky, Petr Petrovich YagodinfiledCriticalMikhail Yakovlevi Meshengisser
Priority to FI310270ApriorityCriticalpatent/FI51769C/fi
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Publication of FI51769BpublicationCriticalpatent/FI51769B/fi
Publication of FI51769CpublicationCriticalpatent/FI51769C/fi