DVF - Sopot Idea ID
The add_ideas ID for DVF - Sopot in Hearts of Iron IV is BUL_dvf_sopot.
DVF - Sopot
materiel_manufacturer
Add this idea with the add_ideas command and the idea ID BUL_dvf_sopot.
About this idea
Darzhavna Voenna Fabrika Sopot - State Military Factory Sopot