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 Diamond Shamrock CorpfiledCriticalDiamond Shamrock Corp
Priority to FI987/74ApriorityCriticalpatent/FI58441C/fi
Publication of FI98774A7publicationCriticalpatent/FI98774A7/fi
Publication of FI58441BpublicationCriticalpatent/FI58441B/fi
Application grantedgrantedCritical
Publication of FI58441CpublicationCriticalpatent/FI58441C/fi