China National Standards

China Drivage Industry Standards English PDF List

  •  China "Drivage" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    NB/T 51034-2015 (Drivage roadway seismic reflection (groove) wave of advanced detection methods)
    煤矿掘进巷道地震反射（槽）波超前探测方法    		 China Energy industry Standards
    Drivage
    English PDF

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