Are these genuine Siemens Cca ?

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A local dealer has some Siemens Cca for sale.These tubes have 4 ridges on top,gold pins, a single digit number between the pins, comes in Siemens boxes.However the boxes look very new and in fact a bit shiny, unlike some old Siemens boxes.Also these tubes do not have splatter shields above the upper smica spacer. Instead there are 2 metal bars rising straight (not angled like A frame)from the upper smica spacer. Towards the top of the tube it then angled to support a round getter plate.Are these tubes genuine Siemens Cca ? Apart from Siemens ,Amperex and Mullards , do other tubes have ridges on top ?

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Topic - Are these genuine Siemens Cca ? - Juergen 09:35:18 09/15/99 (1)

Re: Are these genuine Siemens Cca ? - ashly 17:34:04 09/15/99 (0)

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