黄铜HPb61-1 铜板2.0332 铜管CuZn37Mn3AL2Si HBsC3铜套HBsC2铜条

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CuZn37Mn3Al2Si锰黄铜板HMn57-2-2-1铜棒C6740铜带CW716R铜合金

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CUZN37MN3AL2SI铜合金CUZN39ALFEMN铜棒CUSNP CUSN4ZN2铜板零售

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CuZn37Mn3Al2Si锰黄铜合金板材HMn57-2-2-1铜棒材C6740 CW716R

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C6740 CW716R CuZn37Mn3Al2Si 锰黄铜合金板材 HMn57-2-2-1铜棒材

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优质销售耐磨铜合金CuZn37Mn3Al2Si铝黄铜 C68800铝黄铜板 铝黄

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销售耐磨铜合金CuZn37Mn3Al2Si铝黄铜 C68800铝黄铜板 铝黄铜棒

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CuZn37Mn3Al2si CuZn39AlFeMn CuSn2 CuSn4 CuSn5 CuSn6铅青铜棒

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销售耐磨铜合金CuZn37Mn3Al2Si铝黄铜 C68800铝黄铜板 铝黄铜棒

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供CuZn37Mn3AL2Si锡青铜块HAL77-2纯铜棒HAL77-2A C16200锡青铜条

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CuZn37mn3Al2Si黄铜管ZCuZn40mn2铜板 C3604 C37000铜排C6740铜套

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CW617N黄铜CuZn37mn3Al2Si无氧铜板C42200黄铜排 HA166-6-3-2铜棒

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CW617N黄铜CuZn37mn3Al2Si无氧铜板C42200黄铜排 HA166-6-3-2铜棒

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CW719R铜板GCuZn37Mn3AL2Si锰黄铜CW720R CuZn40Mn2Fe1铜棒CW23R

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CUZN37MN3AL2SI铜合金CUZN39ALFEMN铜棒CUSNP CUSN4ZN2铜板零售

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恒丰CuZn37Mn3Al2Si锰黄铜合金板材HMn57-2-2-1圆棒材C6740 CW716

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恒丰CuZn37Mn3Al2Si锰黄铜合金板材HMn57-2-2-1圆棒材C6740 CW716

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耐磨铜合金C68800铝黄铜板C68700铝黄铜棒CuZn37Mn3Al2Si铝黄铜

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CuZn37Mn3Al2si CuZn39AlFeMn CuSn2 CuSn4 CuSn5 CuSn6铅青铜棒

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