Alphabetical index to the classification of German patents.
Subtitle: Alphabetisches stichwörterverzeichnis of 1914.
By: 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.
Contributors: Kuhlmann, Nanny Emma, b. 1855.
Publisher: Govt. print. off.
Published: 1919
Place of publication: Washington
Language: eng
Number of pages: 136
Subjects: Patents -- Germany
Other titles: Classification of German patents.