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
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Application filed by Radomir V Radomirov, Gospodin T ZhelevfiledCriticalRadomir V Radomirov
Priority to BG7742486ApriorityCriticalpatent/BG44929A1/xx
Priority to DD30952787Aprioritypatent/DD289645A7/de
Priority to PL26915887Aprioritypatent/PL269158A1/xx
Priority to HU549687Aprioritypatent/HUT46581A/hu
Publication of BG44929A1publicationCriticalpatent/BG44929A1/xx
