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NS105铜合金CW506L C28000铜板CuZn40Pb铅黄铜CuZn39A1FeMn铁黄铜
NS105黄铜合金C28000黄铜板 CuZn40Pb铅黄铜棒CuZn39A1FeMn铁黄铜
NS105黄铜合金 CuZn39A1FeMn铁黄铜 CZ113 锡黄铜棒 C28000黄铜板
NS105铜合金 C28000铜板CuZn40Pb铅黄铜CuZn39A1FeMn铁黄铜CW506L
NS105 C28000 CuZn39A1FeMn铁黄铜 C44500 铜板 C44500大直径圆棒
CuZn20Al 铝黄铜板 G-CuZn37Pb CUSI3MN 铅黄铜棒 GCuZn39A1FeMn
GCuZn39A1FeMn锡黄铜CUZN38SN1AS铜板C4621铜带CA464铜棒
G-CuZn35Al2铝黄铜合金G-CuZn37Pb铅黄铜合金GCuZn39A1FeMn铜合金
CuZn40Pb铅黄铜CuZn39A1FeMn铁黄铜NS105铜合金CW506L C28000铜板
G-CuZn35Al2铝黄铜合金G-CuZn37Pb铅黄铜合金GCuZn39A1FeMn铜合
GCuZn39A1FeMn铜合金G-CuZn35Al2铝黄铜合金G-CuZn37Pb铅黄铜合金
C28000黄铜合金NS105黄铜板 CuZn39A1FeMn铅黄铜棒CuZn40Pb铁黄铜
黄铜CuZn39A1FeMn铜合金CuZn40Pb铜板C28000铜棒zCuZn35Al2Mn2Fe1
GCuZn39A1FeMn 锡黄铜 CUZN38SN1AS 铜板 C4621 铜带 CA464 铜棒
C6191铝青铜棒铸铁耐磨
1Cr17Ni2不锈钢板圆棒
NS105黄铜合金C28000黄铜板CuZn40Pb铅黄铜棒CuZn39A1FeMn铁黄铜
