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CHUNWOO TECH Co., Ltd.
| CHUNWOO TECH Co., Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20080207477 | GEL CONTAINING PHOSPHATE SALTS FOR PASSIVATION - Disclosed herein is a phosphate gel for passivation, which is used for the acid washing and phosphate coating of a corroded metal surface. The phosphate gel contains phosphate and gum. | 08-28-2008 |