Certificats de garantie pour la protection temporaire d'inventions brevetables
Subtitle: délivrés à l'occasion d'une exposition internationale ...
By: door mr. Johan Cornelis van Leeuwen ...
Publisher: N. v. van de Garde [and] co's drukkerij
Published: 1933
Place of publication: Zalt-Bommel
Language: fre
Number of pages: 155
Subjects: Inventions; Patents; Exhibitions
Notes: Contains legislation and other documents.

"Stellingen": [3] p. laid in.

Proefschrift - Utrecht.

"Littérature": p. [154]-155.