Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB878704007Aexternal-prioritypatent/GB8704007D0/en
Priority claimed from GB878720617Aexternal-prioritypatent/GB8720617D0/en
Application filed by Miller Constr LtdfiledCriticalMiller Constr Ltd
Priority claimed from EP88301287Aexternal-prioritypatent/EP0279634B1/en
Application grantedgrantedCritical
Publication of ATE69406T1publicationCriticalpatent/ATE69406T1/en