VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
Standard No. Title Translation Price Delivery Status Add To Cart
DZ/T 0119-1994 Technical specifications and testing methods for reciprocating mud pump for geologic drilling 105 (USD) via email in 1-3 business day ABOLISHED
DZ 2.2-1987 135 (USD) via email in 1-3 business day