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Publication of SU403131A1publicationCriticalpatent/SU403131A1/ru
Priority claimed from DE19691953796external-prioritypatent/DE1953796C/de
Priority claimed from DE19691953794external-prioritypatent/DE1953794B1/de
Priority claimed from DE19691964776external-prioritypatent/DE1964776B1/de
Priority claimed from DE19702005149external-prioritypatent/DE2005149A1/de
Application filedfiledCritical
Application grantedgrantedCritical
Publication of SU403131A3publicationCriticalpatent/SU403131A3/ru