Les marques internationales :
organe officiel du Bureau international de l'Union pour la protection de la propriété industrielle.

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Item Link Original Source
Full view   v.17-19 INC.(1909-1911) University of Illinois at Urbana-Champaign
Full view   v.20-21(1912-1913) University of Illinois at Urbana-Champaign
Full view   v.26-27(1918-1919) University of Illinois at Urbana-Champaign