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哈爾濱GB8162結(jié)構(gòu)無縫管最新價格
20#/GB8162-2008 | 121X6 | 價格電議 |
20#/GB8162-2008 | 121X8 | 價格電議 |
20#/GB8162-2008 | 127X4.5 | 價格電議 |
20#/GB8162-2008 | 127X6 | 價格電議 |
20#/GB8162-2008 | 127X8 | 價格電議 |
20#/GB8162-2008 | 127X10 | 價格電議 |
20#/GB8162-2008 | 133X4.5 | 價格電議 |
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