> Exhibitors Inventions > 2019
| Title | The Production of Zip Bag Medicine from basic elements of banana tree | |||||
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| Inventor | Princess Chulabhorn Science High School Loei | Year | 2019 | |||
| Country | Thailand | Regist No | Date | 2019-12-13 | ||
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The Allelochemical pellet fertilizer inhibits the growth of weeds |
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"Design and prototyping of a Safe and protective gas valve for disconnecting or connecting natural gas when the gas hose |
