33 selected
- Not filled in
- Australia
- Austria
- Belgium
- Canada
- China
- Czechia
- Czechoslovakia
- Denmark
- Eastern Germany (GDR)
- England (United Kingdom)
- Finland
- France
- GDR (Eastern Germany)
- Germany
- Hong Kong
- Hungary
- Indonesia
- Ireland
- Italy
- Japan
- Malaysia
- Netherlands
- Philippines
- Radiomarelli
- Romania
- Singapore
- South Korea
- Sweden
- Switzerland
- Taiwan
- United Kingdom (England)
- United States of America (USA)
- USA (United States of America)