Naenggan hyŏng tanjo kongjŏng mit hyŏng sŏlgyewŏn pʻyŏllam
By: [yŏkcha Chʻoe Sang-jun, Chang Sŏng-un, Pae Sŏng-nyong ; pʻyŏnjipcha Han Chu-sik]
Publisher: Chunggongŏp Chʻulpʻansa
Published: 1964
Place of publication: Pʻyŏngyang
Language: kor
Number of pages: 575
Subjects: Steel; Quenching; Steelwork; Forging