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Application filed by Акционерное общество "ПромтрансНИИпроект"filedCriticalАкционерное общество "ПромтрансНИИпроект"
Priority to SU4948082priorityCriticalpatent/RU2001186C1/ru
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Publication of RU2001186C1publicationCriticalpatent/RU2001186C1/ru