Kongŏp yoram
By: Hanʼguk Sanŏp Ŭnhaeng Chosabu [pʻyŏnjip parhaeng ; pʻyŏnjipin Hyŏn Ho-tʻaek]
Contributors: Hyŏn, Ho-tʻaek, editor
Published: 1970
Place of publication: [Sŏul]
Language: kor
Number of pages: 391
Subjects: Industries; Handbooks, manuals