Referencer Novo Nordisk Radiometer – Copenhagen Scan Form TP Radio DPA Microphones Brüel og Kjær B&O Medicom GPV Electronics A/S Hema Koatek G.R.A.S. Mekoprint Chembo Elplatek Jægerspris Finmekanisk GN Audio/Jabra Micro Matic Ulstrup Plast BI plast