File:Vintage Grundig Multi-Band Radio, Model TR-807. 11 Bands, Made In Japan (13254538374).jpg - Wikimedia Commons
グルンディッヒ - Wikipedia
Max Grundig – Wikipedia
Concert Boy 230 Radio Grundig Radio-Vertrieb, RVF, Radiowerke, build | Radiomuseum
File:Unitra grundig.jpg - Wikimedia Commons
File:Grundig Yacht Boy 650 radio receiver (1).jpg - Wikimedia Commons
File:Vintage Grundig Table Radio, Model Majestic 87 USA, Two-Band (FM &BC), Made In Germany, Circa 1959 (14780396236).jpg - Wikimedia Commons
Grundig S350DL: Best Portable Shortwave Radio - HubPages
File:Grundig Type RF160 Stereo.jpg - Wikimedia Commons
File:Vintage Grundig Table Radio With Push Buttons, Model Majestic 87 USA, Two-Band (FM & BC), US Export Version, Made In Germany, Circa 1959 (33840929415).jpg - Wikimedia Commons