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Application filed by Одесский Инженерно-Строительный Институт, Одесский институт инженеров морского флотаfiledCriticalОдесский Инженерно-Строительный Институт
Priority to SU7502183209ApriorityCriticalpatent/SU575675A1/ru
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Publication of SU575675A1publicationCriticalpatent/SU575675A1/ru