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
Application filed by Siemens Elema AbfiledCriticalSiemens Elema Ab
Priority to SE9002130ApriorityCriticalpatent/SE9002130D0/sv
Publication of SE9002130D0publicationCriticalpatent/SE9002130D0/sv
Priority to EP90124906Aprioritypatent/EP0450181B1/en
Priority to DE69019509Tprioritypatent/DE69019509T2/de
Priority to US07/669,461prioritypatent/US5170787A/en
Priority to JP3091387Aprioritypatent/JPH04224769A/ja