{"accessrestrict":"onbekend","custodhist":"onbekend","archdesc_level":"Bestanddeel","scopecontent":"onbekend","unitdate_text":"circa 1968","unitdate_end":"1968","physdesc":"1 brochure","otherfindaid":"onbekend","unitid":"unit-0006491","unitdate_start":"1968","unittitle":"Archief van Betonbedrijf Avanti nv"}