:::
| Entry Year | 87 |
|---|---|
| Patent category | 新式樣專利 |
| Patent title | 改善土壤(污泥)鉛、銅含量之方法 |
| inventor | 中文 |
| Patent number | 發明第I280952號 |
| Date (Year/Month) | 2007-05 |
| Patent owner | Jih-Hsing Chang |
