NSG

Spectrophotometer Cells and Accessories Therefor-Namely, Covers, Stoppers, Mounts, Stopcocks, and Funnels; and Fused Quartz Products for Semiconductor, Optical and Laboratory Applications-Namely, Tubing, Rods, Seals, Porous and Nonporous Discs, Plates, Flasks, Beakers, Test Tubes, Joints, Microscope Slides, Stopcocks, Dishes, Capsules, Watch Glasses and Quartz Wool