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Application filed by материалов, гидромеханизацииfiledCriticalматериалов
Priority to SU1693969ApriorityCriticalpatent/SU429165A1/ru
Priority claimed from SU1693969Aexternal-prioritypatent/SU429165A1/ru
Application grantedgrantedCritical
Publication of SU429165A2publicationCriticalpatent/SU429165A2/ru
Publication of SU429165A1publicationCriticalpatent/SU429165A1/ru