Introduction to patents information
By: prepared by Patents Information Staff ; edited by Stephen van Dulken.
Contributors: Van Dulken, Stephen, 1952-; Science Reference and Information Service.
Publisher: Patents Information, Science Reference and Information Service, British Library
Published: 1990
Place of publication: London
Language: eng
Number of pages: 92
Subjects: Patent searching -- Great Britain.
Notes: Bibliography: p72-85.