Boehm, Klaus The British patent system : administration / Klaus Boehm & Aubrey Silberston - London : Cambridge University Press , 1967 - x, 184p. : ill. ; 20 cm. - Cambridge Univeristy. Department of Applied Economics monographs . Includes bibliographical references and index. Subjects--Topical Terms: Patents and invansions United KingdomPatents Dewey Class. No.: 608.7 / BOE