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.
Edition: 2nd ed.
Series: Information in focus series
Publisher: British Library, Science Reference & Information Service
Published: 1992
Place of publication: London
Language: eng
Number of pages: 126
Subjects: Patents.
Notes: Previous ed.: 1990.

Includes index.