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.)
Filing date
Publication date
Application filed by Черкасский химический комбинатfiledCriticalЧеркасский химический комбинат
Priority to SU1877277ApriorityCriticalpatent/SU486067A1/ru
Application grantedgrantedCritical
Publication of SU486067A1publicationCriticalpatent/SU486067A1/ru