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Contains a historical evaluation of the steps leading up to the invention, a biographical sketch of the inventor, and a brief description of how the invention was made. Patent drawings included.
| ISBN10: | 1578860105 |
| ISBN13: | 9781578860104 |
| Number Of Pages: | 224 |
| Publication Date: | 20000816 |
| Publisher: | National Book Network |
| Binding: | Paperback |
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