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C12700含银的火法精炼韧铜板棒线带厂价***
价格:76.00
C12700含银的火法精炼韧铜化学成分:Cu:99.88%As:0.012%Te:0.025%Bi:0.003%Sb:0.003%Ni:0.05%标准:B133-1992china./company/detail/intro/ml)
业务 QQ: | 806780758 |