English Patents of Inventions, Specifications

1857
English Patents of Inventions, Specifications

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  • Author:
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  • Languages : en
  • Pages : 290

English Patents of Inventions, Specifications

1876
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 520

English Patents of Inventions, Specifications

1873
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 376

English Patents of Inventions, Specifications

1847
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 316

English Patents of Inventions, Specifications

1867
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 422

English Patents of Inventions, Specifications

1875
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 472

English Patents of Inventions, Specifications

1859
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 406

English Patents of Inventions, Specifications

1859
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 354

Specifications of Inventions...

1857
Specifications of Inventions...

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  • Author: Great Britain. Patent Office
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  • Category : Patents
  • Languages : en
  • Pages : 640

English Patents of Inventions, Specifications

1854
English Patents of Inventions, Specifications

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  • Languages : en
  • Pages : 490