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Application filed by Производственное Объединение "Гомсельмаш"filedCriticalПроизводственное Объединение "Гомсельмаш"
Priority to SU904836320ApriorityCriticalpatent/RU1797766C/en
Application grantedgrantedCritical
Publication of RU1797766CpublicationCriticalpatent/RU1797766C/en