Yŏnse Taehakkyo. Sanhak Hyŏmnyŏktan

• In'gan sigak t'ŭkching kiban chugwanjŏk hwajil ch'ŭkchŏng pangbŏp mit changch'i kisul kaebal e kwanhan yŏn'gu =
• Probe tip ŭi nano sojae mit p'yomyŏn naegusŏng hyangsang kisul =
• Saengch'e sinho ch'ŏri kiban implantable system kaebal =