> Exhibitors Inventions > 2019
| Title | the cello sound amplifying ring | |||||
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| Inventor | WANG, YU-NING | Year | 2019 | |||
| Country | Taiwan | Regist No | Date | 2019-12-16 | ||
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Open-cell polyurethane foams based on modified cooking oil for application in construction industry |
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Composition for promoting ability of osteogenesis |
