Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 30829-2014 Shaped and round seamless steel tubes for oil derrick $220.00 via email in 1~3 business day valid
GB/T 30830-2014 Steel cords for off-the-road(OTR) radial tyre $310.00 via email in 1~5 business day valid
GB/T 30831.1-2014 Condition monitoring and diagnostics of machines―Thermography―Part 1:General procedures $370.00 via email in 1~5 business day valid
GB/T 30832-2014 Valves―Test method of flow coefficient and flow resistance coefficient $220.00 via email in 1~3 business day valid
GB/T 30833-2014 Pneumatic fluid power―Compressible fluids consumed by equipment―Power determination and measurement of compressible air $390.00 via email in 1~5 business day valid
GB/T 30834-2014 Standard test methods for rating and classifying inclusions in steel―Scanning Electron Microscope $270.00 via email in 1~5 business day superseded
GB/T 30834-2022 Rating and classifying of inclusions in steel—Scanning electron microscope method $375.00 via email in 1~5 business day valid
GB/T 30835-2014 Lithium iron phosphate-carbon composite cathode materials for lithium ion battery $420.00 via email in 1~5 business day valid
GB/T 30836-2014 Lithium titanium oxide and its carbon composite anode materials for lithium ion battery $210.00 via email in 1~3 business day valid
GB/T 30837-2014 Code of impawning supervision operation for import cargo under L/C $370.00 via email in 1~5 business day valid
GB/T 30838-2014 Requirement on services of contracting carriers $160.00 via email in 1~3 business day valid
GB/T 30839.1-2014 Energy consumption grading of industrial electroheat installations―Part 1：General requirements $124.00 via email in 1~3 business day valid
GB/T 30839.2-2015 Energy consumption grading for industrial electroheat installations―Part 2:Three-phase steelmaking arc furnace $110.00 via email in 1~3 business day valid
GB/T 30839.21-2015 Energy consumption grading for industrial electroheat installations―Part 21:Ladle refining furnace $110.00 via email in 1~3 business day valid
GB/T 30839.31-2014 Energy consumption grading for industrial electroheat installations―Part 31:Medium frequency coreless induction furnaces $140.00 via email in 1~3 business day valid
GB/T 30839.32-2014 Energy consumption grading for industrial electroheat installations - Part 32:A set of medium frequency coreless induction furnaces with a voltage type frequency converter $100.00 via email in 1~3 business day valid
GB/T 30839.33-2015 Energy consumption grading for industrial electroheat installations. Part 33:Mains frequency coreless induction furnace $130.00 via email in 1~3 business day valid
GB/T 30839.34-2015 Energy consumption grading for industrial electroheat installations―Part 34:Mains frequency induction channel furnaces $100.00 via email in 1~3 business day valid
GB/T 30839.4-2014 Energy consumption grading for industrial electroheat installations―Part 4:Indirect resistance furnaces $160.00 via email in 1~3 business day valid
GB/T 30839.41-2014 Energy consumption grading for industrial electroheat installations―Part 41:Pusher resistance heating unit $160.00 via email in 1~3 business day valid
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