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.)
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Priority claimed from AT332971Aexternal-prioritypatent/AT327102B/de
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to AT335674ApriorityCriticalpatent/ATA335674A/de
Publication of ATA335674ApublicationCriticalpatent/ATA335674A/de