(1878). Specifications of letters patent for inventions and provisional specifications: Filed and recorded in the Office of the Commissioners of Patents for Inventions. Published and sold at the Commissioners of Patents Sale Departement.
Chicago-Zitierstil (17. Ausg.)Specifications of Letters Patent for Inventions and Provisional Specifications: Filed and Recorded in the Office of the Commissioners of Patents for Inventions. London: Published and sold at the Commissioners of Patents Sale Departement, 1878.
MLA-Zitierstil (9. Ausg.)Specifications of Letters Patent for Inventions and Provisional Specifications: Filed and Recorded in the Office of the Commissioners of Patents for Inventions. Published and sold at the Commissioners of Patents Sale Departement, 1878.
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