筛选产品
Gold/tin, foil, Au 80%/Sn20%, thickness 0.025 mm, size 25 × 25 mm, temper as rolled
Gold/tin, rod, Au 80%/Sn20%, 3.0 mm diameter, length 50 mm
Gold/tin, rod, Au80%/Sn20%, 3.0 mm diameter, length 25 mm