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Priority to YU92773ApriorityCriticalpatent/YU37464B/en
Publication of YU37464BpublicationCriticalpatent/YU37464B/en
YU92773A1973-04-061973-04-06Timprevement in a totary waggon gang-board of railroad vehimprevement in a rotary waggon gang-board of railroad vehi
YU37464B
(en)