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 Lohja Betonila OyfiledCriticalLohja Betonila Oy
Priority to FI893216ApriorityCriticalpatent/FI83686C/fi
Publication of FI893216A0publicationCriticalpatent/FI893216A0/fi
Publication of FI893216ApublicationCriticalpatent/FI893216A/fi
Application grantedgrantedCritical
Publication of FI83686BpublicationCriticalpatent/FI83686B/fi
Publication of FI83686CpublicationCriticalpatent/FI83686C/fi