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BC1日本铸铜
欧洲标准铜合金:Cu-ETPCu-FRTPCu-OFCu-HCPCU-DLPCu-DHPCuSAL50CuAs30CuB2CuBe4CuCo10CuCr10CuFe10CuFe15CuFe20CuFe20CuLi2CuMg10CuMg20CuMg30CuMg50CuNi30CuNi50CuP10CuP19CuP15CuS20CuSi10CuSi20CuSi30CuTi30CuZr50)
业务 QQ: | 1900550945 |