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Priority claimed from FI880244Aexternal-prioritypatent/FI880244A0/fi
Application filed by Teraesbetoni OyfiledCriticalTeraesbetoni Oy
Priority to FI890295ApriorityCriticalpatent/FI81139C/fi
Publication of FI890295A0publicationCriticalpatent/FI890295A0/fi
Publication of FI890295ApublicationCriticalpatent/FI890295A/fi
Publication of FI81139BpublicationCriticalpatent/FI81139B/fi
Application grantedgrantedCritical
Publication of FI81139CpublicationCriticalpatent/FI81139C/fi