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А. И. Ландышев , А. Ф. Олейник Проектно технологический трест Оргдорстрой
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Application filed by А. И. Ландышев , А. Ф. Олейник Проектно технологический трест ОргдорстройfiledCriticalА. И. Ландышев , А. Ф. Олейник Проектно технологический трест Оргдорстрой
Priority to SU1784185ApriorityCriticalpatent/SU424584A1/ru
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Publication of SU424584A1publicationCriticalpatent/SU424584A1/ru