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Priority to JP9169982UpriorityCriticalpatent/JPS58194201U/ja
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Костыль для быстрого закрепления железнодорожного рельса на шпале, устройство для закрепления рельса на бетонной шпале, железнодорожная бетонная шпала и металлическая подкладка для железнодорожной шпалы