CuZn36Pb3 CuZn32Pb8 铜棒铜板 铜管套CuZn39Pb1 CuZn38Pb2黄铜

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CuZn36Pb3黄铜CuZn32Pb8铜合金HNi56-3铜板C3560铜棒C2200 C2720

已售0

优质CuZn40Pb CuZn32Pb8 CuZn36Pb3铜板CuZn31Si1 CuZn37Sn1Pb1铜

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CuZn39Pb1 CuZn38Pb2黄铜 CuZn36Pb3 CuZn32Pb8 铜棒铜板 铜管套

已售0