Database: History | Great Inventions by Year and Country | Author Not Online
DDT
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Quick Browse
| 82 | Coupons | |
| 83 | Wax Crayons | |
| 84 | Cream separator | |
| 85 | Credit Card | |
| 86 | Crossword puzzles | |
| 87 | --> | DDT |
| 88 | Defibrillator | |
| 89 | Dentures | |
| 90 | Metal Detector | |
| 91 | Smoke Detector | |
| 92 | Artificial Diamond |
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