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MITSUI MINNG & SMELTING CO., LTD.
| MITSUI MINNG & SMELTING CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090124493 | CATALYST FOR PURIFYING EXHAUST GAS AND METHOD FOR PRODUCING TETRAGONAL SYSTEM COMPOSITE OXIDE - The present invention provides an exhaust gas cleaning catalyst containing a tetragonal-system composite oxide which is produced through a neutralization coprecipitation-drying-firing method and which is represented by A | 05-14-2009 |