Sarag

Europäischer Allergiekongress, Basel

Roland Aeschlimann

Diethelm Werbeagentur

Walter J. Diethelm

Roger Mayer

Roger Mayer

Dusal Instruments

Eckstein-Stone

Galeria Seta

Willys de Castro, Hércules Barsotti

Publi-Synthese & R. L. Dupuy