Interesting; even in Europe several brands (Siemens, Nordmende and Saba) have used the same color chassis under license by Telefunken. Your roundie sets reminded me that Philips produced a set with a circular tube RCA, and K4 chassis.
http://bs.cyty.com/menschen/e-etzold...s/color_k4.htm
In my life I seeing only one Betamax, when I was 15...
Today I seeing Cardcaptor Sakura Movie 1 on my 1977 Telefunken PALcolor... when I watched it, I thinked "ok... this CRT is good..."
http://img10.imageshack.us/img10/1010/dsc03753yy.jpg