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Entry Year | 87 |
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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 |