Patents for inventions : Abridgements of specifications relating to writing instruments and materials.
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| Язык: | English |
| Опубликовано: |
Lond. :
Office of the Commissioners of Patents for Inventions,
1869, 1882.
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Оглавление:
- Pt.1, A.D. 1635-1866. Pt.2, A.D. 1867-1876.