patent model
noun1
A handmade miniature illustrating how an invention works, used in the early United States patent system.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A handmade miniature illustrating how an invention works, used in the early United States patent system.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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