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Number/貨號(hào) |
S1*S2 mm |
Be-Cu/鈹青銅 |
Al-Cu/鋁青銅 g |
142 |
8*10,10*12,12*14, 14*17,17*19,19*22,22* 24,24*27,30*32 |
2810 | 2570 |