![](http://www.alamy.com/thumbs/6/F252A2EC-0846-4391-996A-0EBFFB446682/2AR2Y2B.jpg)
Opening Bedrijfsbeurs in Amsterdam by State Secretary B. Roolvink. Roolvink, with safety helmet on helmets Date: 17 april 1961 Location: Amsterdam, Noord-Holland Keywords: HELMES, Openings, stands Personal name: Roolvink
Size: 2458px × 2847px
Photo credit: © BNA Photographic / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: