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Author: William P. Crosher ISBN: 0791801780 / 9780791801789 Year: 2002 Availability: In Stock
The concept of the "worm gear" dates back to ancient times. Over the centuries, the design and use of this gear has evolved and improved. It describes a gear that contains a spiral or "worm" like gr...
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List Price: $ 89 |
Our Price: ` 6600 |
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