How to find out about patents
Newby, Frank
How to find out about patents - 1st ed. - Oxford Pergamon Press 1967 - xi, 177 p. : ill., facsims. ; 20 cm.
Includes bibliographies.
66-030632
Patent literature
How to find out about patents - 1st ed. - Oxford Pergamon Press 1967 - xi, 177 p. : ill., facsims. ; 20 cm.
Includes bibliographies.
66-030632
Patent literature
