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Priority claimed from FI882931Aexternal-prioritypatent/FI882931A7/fi
Application filed by Husu Ky AfiledCriticalHusu Ky A
Priority claimed from PCT/FI1989/000119external-prioritypatent/WO1989012719A1/en
Application grantedgrantedCritical
Publication of ATE83815T1publicationCriticalpatent/ATE83815T1/de