patent for "art of producing step-by-step movements" F.W.Wood, 1922 (Q31863)
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Revision as of 11:41, 30 July 2023 by ChrisVG (talk | contribs) (Created claim: Property:P74: US1408555.pdf)
patent for a stepper motor
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | patent for "art of producing step-by-step movements" F.W.Wood, 1922 | patent for a stepper motor |