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9*9*0.5-1mm Jewelry Industrial optical/ semiconductor synthetic CVD diamond seed substrate plate
8*8*0.5-1mm Jewelry Industrial optical/ semiconductor synthetic CVD diamond seed substrate plate
15x12x0.4mm CVD晶种
13x11x0.4mm CVD晶种
12x10x0.4mm CVD晶种
12x9.5x0.4mm CVD晶种