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A treatise on the law relative to patent privileges for the sole use of inventions and the practice of obtaining letters patents for inventions
W. M. Hindmarch · I.G. M'Kinley and J.M.G. Lescure, printers
512 sayfa · 1847
Patent laws and legislation / Forms
A treatise on the law relating to patent privileges for the sole use of inventions
W. M. Hindmarch · V. & R. Stevens & G.S. Norton and W. Benning
807 sayfa · 1846
Patent laws and legislation / Forms