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Priority claimed from DE3400300Aexternal-prioritypatent/DE3400300C2/de
Priority claimed from SU853857901Aexternal-prioritypatent/SU1614747A3/ru
Application filed by Buehler AgfiledCriticalBuehler Ag
Publication of LV5656A3publicationCriticalpatent/LV5656A3/lv