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CTK Exchange
http://contact.dec.free.fr or directly on http://contact.dec.free.fr/UNIVERS/Univ001.html
It’s in French, but you can understand the drawings…
Thank to say me what you think of it…
Henri DecourchelleFRANCEhenridec@free.fr
You may be curious to have a look at the old CTK Exchange archive.Please do not post there.
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