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http://www.myhome.ch/mzingg/pcbstuff/tps
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http://www.circuit-electronique.fr
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http://www.pcbcart.com/cart.php
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http://www.pcb123.com/pcb123tutorial.php
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http://www.ladyada.net/library/pcb/costcalc.html
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http://tinymicros.com/embedded/pcbs.html
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http://my.athenet.net/~multiplx/cgi-bin/strip.main.cgi
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http://www.makezine.com/blog/archive/...return_of_t.html?CMP=OTC-0D6B48984890
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http://www.neufeld.newton.ks.us/electronics/?p=239
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http://pcb.sourceforge.net/pcb-200501...rary-Creation.html#Library%20Creation