H62黄铜毛细管,黄铜管,进口黄铜管,黄铜六角管
H62黄铜毛细管,黄铜管,进..
T2大规格紫铜板,进口紫铜板..
H65黄铜带,黄铜带宽度,0..
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T2紫铜带,0.01紫铜箔,..
T1国标环保紫铜棒,进口C1..