NIROS TELECOMMUNICATION A/S, HANS DAMM RESEARCH A/S, DAMM CELLULAR SYSTEMS A/S, DAMM CELLULAR INTERNATIONAL A/S, DTM DENMARK A/S, DAMM CELLULAR SYSTEMS A/S, Aktieselskabet af 24. marts 2015
HANS DAMM RESEARCH A/S, DAMM CELLULAR SYSTEMS A/S, Aktieselskabet af 24. marts 2015, DAMM CELLULAR INTERNATIONAL A/S, HDR International ApS, DAMM CELLULAR SYSTEMS A/S
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