73818200
Aug 9, 1989
May 29, 1990
MANUFACTURING CHEMICALS, NAMELY, CARBON TETRACHLORIDE, CHLOROFORM, HEXAMETHYLDISILAZANE, TETRAETHYLORTHOSILICATE, TRIMETHYL BORATE, TRIMETHYL PHOSPHITE, TRIMETHL PHOSPHATE, 1,1,1-TRICHOLOROETHANE, SILICON TETRACHLORIDE, TITANIUM TETRACHLORIDE AND TUNGSTEN HEXAFLUORIDE FOR USE IN THE SEMI-CONDUCTOR INDUSTRY, TOOL HARDENING INDUSTRY, FIBER-OPTIC INDUSTRY, AND IN RESEARCH AND DEVELOPMENT LABORATORIES
Chemicals