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الشخص الذي يمكن الاتصال به Ms. rebecca
ShenZhen Street 1-1, Changchun, Jilin
*Material BK7 or UV grade fused silica *Dimension Tolerances +/*0.1mm *Clear Aperture >*0% *Surface Quality:*0/*0 Scratch/Dig *Surface Flatness lambda/4 at **3nm *Angle Tolerance *0 degree+/*3 minutes *Chamfer 0.3mm+/*0.1mm m *Coatings Optional
