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1. Ri-Ri AG%2C Z%C3%B …
2. Vontobel-Druck AG% …
3. Kurt Staub
4. Busag-Graphic AG%2 …

What

1. Technique: B&W … (1)

Who

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1. Albin Uldry, Hi … (1)
2. Boutique Banzaï … (1)
3. Busag, Bern (1)
4. Christian Coign … (1)
5. Werner Jeker, C … (1)

When

1. 1980s (1)