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Application filed by З.И. Бодяжина, жина З.И. БодfiledCriticalЗ.И. Бодяжина
Priority to SU3802ApriorityCriticalpatent/SU63982A1/ru
Application grantedgrantedCritical
Publication of SU63982A1publicationCriticalpatent/SU63982A1/ru