Государственное Союзноеструкторско технологическое бюро проектированию счетных машин
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Application filed by Е. Е. Владимиров, Государственное Союзноеструкторско технологическое бюро проектированию счетных машинfiledCriticalЕ. Е. Владимиров
Priority to SU1718309ApriorityCriticalpatent/SU427386A1/ru
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Publication of SU427386A1publicationCriticalpatent/SU427386A1/ru