site.btaBTA, Patent Office Start "Created in Bulgaria" Subsection, in Bulgarian and English, to Present Bulgarian Inventions
Prof. Vladia Borisova and Kiril Valchev at the signing ceremony (BTA Photo)
The President of the Patent Office of the Republic of Bulgaria, Prof. Dr Vladia Borisova, and the Director General of the Bulgarian News Agency (BTA), Kiril Valchev, signed a Partnership Agreement between the two institutions here on Friday.
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