Patent Laws and Practice of Obtaining Letters Patent for Inventions in the United States and Foreign Countries: Including Copy-Right and Trade-Mark LawsHardPress, 05 օգս, 2019 թ. - 740 էջ This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy! |
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Patent Laws and Practice of Obtaining Letters Patent for Inventions in the ... Charles Sidney Whitman Ամբողջությամբ դիտվող - 1871 |