Hapkŭmgang abyŏn
By: Son Ki-sŏk, Yun Chae-sang pʻyŏnjŏ
Contributors: Yun, Chae-sang, author
Publisher: Chunggongŏp Chʻulpʻansa
Published: 1963
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 274
Subjects: Rolling (metal-work); Steel alloys
Notes: Preserved, Deacidified, 2012 Cranberry, PA Preservation Technologies LP