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Old 6th Sep 2019, 12:13 pm   #19
Maarten
Nonode
 
Join Date: Dec 2007
Location: Haarlem, Netherlands
Posts: 2,848
Default Re: Solus brand EL34?

I guess the particular RFT factory those were made didn't have the equipment to stamp Philips factory codes and Philips didn't bother with an extra production step or didn't have the equipment anymore either.
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