La protection des inventions en France
Subtitle: Etudes statistiques, tableaux numériques, diagrammes
By: par la Compagnie des Ingenieurs-Conseils
Publisher: Ministère de l'industrie
Published: 1960
Place of publication: Paris
Language: fre
Number of pages: 24
Subjects: Patents
Notes: Part of illustrative matter in pocket.

Supersedes statistical study, 1950-1954, published 1957.