PDF(1222 KB)
Technical discussion of geophone spring sheet aging treatment.
Li Xinlong, Xue Liwu, Han Xiaobo, Duan Yaling , Ma Junxin.
Equipment for Geophysical Prospecting ›› 2021, Vol. 31 ›› Issue (4) : 221-225.
PDF(1222 KB)
PDF(1222 KB)
Technical discussion of geophone spring sheet aging treatment.
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