NCS DC 28056-COPPER ORE CERTIFIED CALIBRATOR. POWDER FORM. PACKING 50G/BOX. MANUFACTURER NCS TESTING TECHNOLOGY. LTD. USED AS A SAMPLE TO ANALYZE GEOLOGICAL SAMPLES IN THE LABORATORY. 100% NEW
NCS DC 28056-COPPER ORE CERTIFIED CALIBRATOR. POWDER FORM. PACKING 50G/BOX. MANUFACTURER NCS TESTING TECHNOLOGY. LTD. USED AS A SAMPLE TO ANALYZE GEOLOGICAL SAMPLES IN THE LABORATORY. 100% NEW