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LA钢铁,基本平炉,1%C
¥650
焊料(63Sn-37Pb焊料)
铷同位素标准品 Rubidium Chloride
冷冻人血清中肌酐;Creatinine in Frozen Human Serum
INCOLOY800
有毒金属在山羊血;Toxic Metals in Caprine Blood
铬铁,高碳
氧气阀钢
冷冻人血清中电解质;Electrolytes in Frozen Human Serum
铝土矿,苏里南
焊料(40Sn-60PB)
红黄铜B;Red Brass B