Newby, Frank
How to find out about patents - 1st ed. - Oxford Pergamon Press 1967 - xi, 177 p. illus. 20 cm.
Includes bibliographies
Patent literature
608.7 / NEW/1967
How to find out about patents - 1st ed. - Oxford Pergamon Press 1967 - xi, 177 p. illus. 20 cm.
Includes bibliographies
Patent literature
608.7 / NEW/1967