Patente C D

Maggioli Editore

La patente di guida C, D, E                      

EDPP

I quiz per le patenti superiori. C1, C1E, C, CE, D1, D1E, D, DE

QWIZARD PATENTI C & D - GUIDA FACILE AI QUIZ PATENTI SUPERIORI C e D

SIPIEL

La patente C, D, E                              

Egaf

Guida sicura revisioni CQC e patenti C, D. Quiz  

I DIDATTICI

Guida sicura per le patenti C-D-E                

HardPress Publishing

Proceedings and Addresses; Celebration of the Beginning of the Second Century of the American Patent System of Washington City, D.C. April 8,9,10, 1891

Generic

LE PATENTI C-D-E                                

Leopold Classic Library

Patents and How to Obtain Them. Patent Agency of Chipman, Hosmer & Co; No. 632 F Street, Near Patent and Post Offices, Washington, D. C. Established 1865

Trotters

Trotters Berry Mid Women's Boot 7.5 C/D US Black-Patent