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In Reply to: Re: Tektronix Tubes posted by rohrenman on March 26, 2007 at 12:50:31:
STR - "special tube request" was used by Sylvania in the 1970s for a specific manufacturer's request - perhaps earlier?Rob
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- Re: Tektronix Tubes - Rob Mercure 09:05:43 03/27/07 (0)