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Application filed by Polar RakennusosakeyhtioefiledCriticalPolar Rakennusosakeyhtioe
Priority to FI880448ApriorityCriticalpatent/FI85540C/fi
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Publication of FI880448ApublicationCriticalpatent/FI880448A/fi
Publication of FI85540BpublicationCriticalpatent/FI85540B/fi
Application grantedgrantedCritical
Publication of FI85540CpublicationCriticalpatent/FI85540C/fi