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Priority claimed from FI883562Aexternal-prioritypatent/FI883562A/en
Priority claimed from FI885383Aexternal-prioritypatent/FI81166C/en
Application filed by Suomen Liittopalkki OyfiledCriticalSuomen Liittopalkki Oy
Priority claimed from PCT/FI1989/000137external-prioritypatent/WO1990001596A1/en
Application grantedgrantedCritical
Publication of ATE90410T1publicationCriticalpatent/ATE90410T1/en