75470808
Apr 20, 1998
Jul 17, 2001
HIGH PURITY CHEMICALS USED IN THE WAFER MANUFACTURING PROCESS FOR MICROELECTRONICS INDUSTRY, NAMELY, SULFURIC ACID, HYDOCHLORIC ACID, HYDROGEN PEROXIDE, HYDROFLUORIC ACID, ISOPROPYL ALCOHOL, AMMONIUM HYDROXIDE, XYLENE, NITRIC ACID, ACETIC AND PHOSPHORIC ACID
Chemicals