StrasbourgAgreement Concerning the International Patent Classification of March 24, 1971

StrasbourgAgreement Concerning the International Patent Classification of March 24, 1971 - Geneva ; World Intellectual Property Organization , 1971. - 19p. : 21 cm. - WIPO publication : No. 275 (E) .

9789280504446


Patents - Classification
Copyright © All rights reserved. University of Dar es Salaam, Directorate of Library Services
Powered by Koha. Installed, Configured, and Customized by the Library ICT Department