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Subject: instructables 1 min PC etch using sponge & FeCl

From: William Alford <walford@...>
Date: 2009-08-14

http://www.instructables.com/id/Sponge-Ferric-Chloride-Method-Etch-Circuit-Bo/

William Alford

GI Motility Medical Research Page
http://alford.grimtrojan.com/

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