東洋精密二十年史
Publisher: Tongyang Chŏngmil Kongŏp Chusik Hoesa
Published: 1974
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 215
Other titles: Tongyang Chŏngmil isimnyŏnsa; Tongyang Chŏngmil 20-yŏnsa
Notes: Errata slip inserted.