China Synthetical survey c GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 14158-1993 Synthetical survey code for regional hydrogeology，engineering geology and environmental geology 区域水文地质工程地质环境地质综合勘查规范(比例尺1∶50000) - 英文版

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