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.)
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Application filed by Devon County Council, Martin Tomlinson, Jonathan R BramwellfiledCriticalDevon County Council
Priority claimed from EP85905861Aexternal-prioritypatent/EP0204745B2/de
Application grantedgrantedCritical
Publication of ATE56332T1publicationCriticalpatent/ATE56332T1/de