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 Wolfram BayerfiledCriticalWolfram Bayer
Priority to DD19776977ApriorityCriticalpatent/DD130371A1/en
Publication of DD130371A1publicationCriticalpatent/DD130371A1/en