Historical Relationship Between SPG and SEG (附图)
2006/3/23 17:08:40
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1987, Mr. Robort. J. Graebner and Mr. Cecil H. Green visited China
1987, presidents of SEG and SPG signed the long-term co-operation agreement
1988, Seismic Exploitation Conference was held in Daqing
1994, The Second Seismic Exploitation Conference was held in Daqing
Photos from Meng Ersheng
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