Class A: areal geology survey; hydrogeology survey; engineering geology survey; environment geology survey; solid mineral exploration; rock ore appraisal and testing.

 
  • 6347587甲级:区域地质调查;水文地质地质调查;工程地质调查;环境地质调查;固体矿产勘查;岩矿鉴定与岩矿测试。
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目录 附录 查词历史