Here is a link to another survivor, courtesy of Niels:
http://www.beredskabsstyrelsens-biler.dk/17898849
I think this is the same example:
http://www.historical-fire-engines.c...?image_id=1272
An automated translation learns this is a hose tender truck for the Danish Civil Defence forces ("Civilforsvaret", or C.F.). They were know as "Brandudrykningsvogn" or Fire emergency truck. Seating 1 driver plus 9 firefighters. The vehicles were purchased used after the war and rebuilt in Denmark by I/S Karofa, who converted 36 of them. They were in service from 1978 till 1982.