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These folks do iron powder.
http://www.first4magnets.com/index.asp
I'm not sure about the other things though.

You can buy Arnold Magnetics iron powder cores, ferrite cores, coil formers from Feryster
http://feryster.pl/polski/rtmpp.php?lang=en
http://feryster.pl/polski/rthf.php?lang=en
http://feryster.pl/polski/rtmss.php?lang=en

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15y ago

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