Sanŏp anjŏn kwalliron
By: Pak Pʻil-su chŏ
Edition: Chʻopʻan
Publisher: Chungang Kyŏngjesa
Published: 1986
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 581
Subjects: Industrial safety