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They're definitely European B/W sets from the 1964-1966 time frame... likely Telefunken or Nordmende...
This kind of bezel was used for the "shellbond" Philips CRT that came out in late 1963, it was the first CRT to feature a true integral implosion protection based on a tensioned rimband, there was no separate or bonded safety faceplate, the screen was actually part of the CRT envelope
This style of bezel was needed to conceal the large rimband/metal frame which extended on the edge of the screen, later Shellbond CRTs had a recessed rimband and did away with the need for any kind of bezel.
It seems a bit strange to me that anyone bothered to import them in the US, they also had to be modified to work with NTSC and 110v 60Hz mains...
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