PDF(1633 KB)
Discussion on well-forming technique in Chuanxi coal measures strata
Wang Xuewu ,Pang Shimin and Shi Yigong
Equipment for Geophysical Prospecting ›› 2006, Vol. 16 ›› Issue (4) : 261-263.
PDF(1633 KB)
PDF(1633 KB)
Discussion on well-forming technique in Chuanxi coal measures strata
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