Ashpitel, Susan

Introduction to patents information / prepared by Sue Ashpitel, David Newton and Stephen van Dulken ; edited by Stephen van Dulken - 4th ed. - London : British Library, 2002 - vi, 137 p. : il.

Edicion previa de 1998

0712308628 (rustica)

## USD 60.00


Investigacion de patentes--Gran Bretaņa
Patentes--Servicios de informacion

T210 / I59 2002b