PDF(796 KB)
Modification to 305-type mountainous rig
Yang Fengshen ,Liu Kun ,Hou Zunqing
Equipment for Geophysical Prospecting ›› 2007, Vol. 17 ›› Issue (3) : 175-177,232.
PDF(796 KB)
PDF(796 KB)
Modification to 305-type mountainous rig
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