CulemBorg
I think it's Culemborg, a place in The Netherlands. Maybe that'll help. Can't find anything about the "meubelfabriek" though. That's furniture factory in English, by the way.
http://maps.google.be/maps?q=culemborg&hl=nl&ie=UTF8&hq=&hnear=Culemborg...
van Os is definately
a furniture factory based in Culemborg, they produced some nice chairs like these http://link.marktplaats.nl/407372021 (they are popular in the Netherlands as vintage retro chairs).
http://link.marktplaats.nl/407372021
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