易切削鉛黃銅棒 牌號:Hpb59-3 C3604 C38500 CuZn39Pb3 品質證明書: ISO9001:2000 認證證書號:CN-0205Q12746R1M ISO14001:1996 認證證書號:CN-15-2005-346 (1) 產品簡要說明:鉛Pb