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Priority claimed from GB838331290Aexternal-prioritypatent/GB8331290D0/en
Priority claimed from GB848403992Aexternal-prioritypatent/GB8403992D0/en
Application filed by Trailer Train LtdfiledCriticalTrailer Train Ltd
Priority claimed from EP84308107Aexternal-prioritypatent/EP0143614B1/en
Application grantedgrantedCritical
Publication of ATE64900T1publicationCriticalpatent/ATE64900T1/de