... FDU, ECNU, DLUT, IMU;Research Institutes: CAS Shanghai Institute of Organic Chemistry, CAS Institute of Chemistry, CAS Institute of Earth Environment;Enterprises: DOW, ... . Stainless Steel Connection Support Frame4. Consists of 7 suits of (A-G)A. With Emptying Valve;B ... 92HOptical FilterTwo PiecesA: Transmission Optical filter with diameter of 50mmB: UV reflecting part, Transmission visible and Infrared ...