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Priority claimed from SE8702071Aexternal-prioritypatent/SE464080B/sv
Priority claimed from SE8702072Aexternal-prioritypatent/SE461975B/sv
Application filed by Spirac Engineering AbfiledCriticalSpirac Engineering Ab
Priority claimed from PCT/SE1988/000264external-prioritypatent/WO1988009301A1/en
Application grantedgrantedCritical
Publication of ATE86937T1publicationCriticalpatent/ATE86937T1/de