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Application filed by Rvanov P Rvan B P, Vasil P Kochevski, Vesko Kh Angelov, L Chezar D Kharalampiev, Aleksand R D Rabotilev, Ivan P Dimitrov, Khristo I GrozevfiledCriticalRvanov P Rvan B P
Priority to BG8358188ApriorityCriticalpatent/BG45505A1/xx
Publication of BG45505A1publicationCriticalpatent/BG45505A1/xx