Chunggi kwalli pŏmnyŏng
Subtitle: chunggi kwallipŏp, sihaengnyŏng, sihaeng kyuchʻik
By: [pʻyŏnjŏja Ŭn Chŏng-pʻyo]
Contributors: Ŭn, Chŏng-pʻyo
Edition: Kaejŏngpʻan
Series: Kisul chŏngbo chʻongsŏ
Publisher: Tosŏ Sanŏpsa
Published: 1985
Place of publication: Sŏul
Language: kor
Number of pages: 190
Subjects: Law and legislation; Machinery industry; Machinery; Safety regulations
Work titles: Chunggi kwallipŏp