Historical Relationship Between SPG and SEG(附图)
2006/3/23 17:02:44
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1981, BGP delegation visited SEG HQ
1981, president of SEG hosted BGP delegation in Los Angeles.
1985, CPS/SEG Conference and Exposition was held in Beijing.
1986, Symposium on Seismic Method was held in Urumqi
Photos from Meng Ersheng
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