Северный научно исследовательский институт промышленности Министерства лесной
деревообрабатывающей промышленности СССР
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Application filed by Е. А. Шекалов, Д. Втюрина, Фшш шшЕРтое, Северный научно исследовательский институт промышленности Министерства лесной, деревообрабатывающей промышленности СССРfiledCriticalЕ. А. Шекалов
Priority to SU1840251ApriorityCriticalpatent/SU423725A1/en
Priority claimed from SU1840251Aexternal-prioritypatent/SU423725A1/en
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Publication of SU423725A2publicationCriticalpatent/SU423725A2/en
Publication of SU423725A1publicationCriticalpatent/SU423725A1/en