Patents
Subtitle: a source of technical information
By: [prepared by the Department of Trade and the Central Office of Information].
Contributors: Great Britain. Central Office of Information.; Great Britain. Patent Office.
Publisher: [Patent Office]
Published: 1975
Place of publication: [Orpington]
Language: eng
Number of pages: 24
Subjects: Patent searching.; Patent literature.
Notes: Bibliography: p. 20.
Cover title.