The water-blocking engineering in three horizontal connection roadways between Fangezhuang Mine and Lujiatuo Mine, Kailuan Mining Administration, under flowing water conditions
By: C. Bing-Qiang and D. Guo-Quan.
Contributors: Guo-Quan, D
Publisher: s.n
Published: 1985
Place of publication: S.l
Number of pages: 306
Notes: 13