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Priority claimed from FI73869Aexternal-prioritypatent/FI46089B/fi
Application filed by Olavi Erland HelastifiledCriticalOlavi Erland Helasti
Priority to FI236074ApriorityCriticalpatent/FI49530C/fi
Application grantedgrantedCritical
Publication of FI49530BpublicationCriticalpatent/FI49530B/fi
Publication of FI49530CpublicationCriticalpatent/FI49530C/fi
FI236074A1969-03-121974-08-08Menetelmä valmistaa puusta massaa, joka erikoisesti on tarkoitettu pur istustuotteiden valmistuksessa käytettäväksi.
FI49530C
(fi)