Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by С.Т. БернацкийfiledCriticalС.Т. Бернацкий
Priority to SU5856ApriorityCriticalpatent/SU7021A1/en
Application grantedgrantedCritical
Publication of SU7021A1publicationCriticalpatent/SU7021A1/en