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Application filed by Westvaco CorpfiledCriticalWestvaco Corp
Priority to FI864942ApriorityCriticalpatent/FI86072C/fi
Publication of FI864942A0publicationCriticalpatent/FI864942A0/fi
Publication of FI864942ApublicationCriticalpatent/FI864942A/fi
Publication of FI86072BpublicationCriticalpatent/FI86072B/fi
Application grantedgrantedCritical
Publication of FI86072CpublicationCriticalpatent/FI86072C/fi