Title: Chʻaegim unyŏng kigwan chʻoejŏk unyŏng pangan e taehan yŏnʼgu
Subjects: Patent offices, Korea (South), Korea (South). Tʻŭkhŏchʻŏng, Korea (South). T'ŭkhŏch'ŏng
Places: Korea (South)