Legal status (The legal status 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 status listed.)
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 filedfiledCritical
Publication of DE2444067B1publicationCriticalpatent/DE2444067B1/de
Publication of DE2444067A1publicationCriticalpatent/DE2444067A1/de
Application grantedgrantedCritical
Publication of DE2444067C2publicationCriticalpatent/DE2444067C2/de