Patent drawing - Drawing of Improved Boot Public domain image

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Patent drawing - Drawing of Improved Boot Public domain image

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Zusammenfassung

Utility Patent Drawings

Public domain photograph of the US industrial development, construction, work of U.S. government, free to use, no copyright restrictions image - Picryl description

Patente aus dem Nationalarchiv

Berühmte Patentzeichnungen aus dem National Archives, Washington DC

Collection - Patente aus dem Nationalarchiv
Berühmte Patentzeichnungen aus dem Nationalarchiv

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Patentanmeldung

19. Jahrhundert

Patentzeichnungen

Gebrauchsmusterzeichnungen

uns Nationalarchive

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Datum

01/01/1867

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Quelle

The U.S. National Archives

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Link

https://catalog.archives.gov/

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Patentanmeldung

19. Jahrhundert

Patentzeichnungen

Gebrauchsmusterzeichnungen

uns Nationalarchive