Alphabetical index to the classification of German patents.
Alphabetisches stichwörterverzeichnis of 1914.
Comp. by the German Patent Office. Tr. by N. E. Kuhlmann, official translator, U. S. Patent Office, under the direction of James T. Newton, commissioner of patents.
Description
Viewability
Item Link | Original Source |
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Full view | University of California |
Full view | New York Public Library |
Full view c.1 | University of Chicago |