frane?

BACHMANN

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24 Martie 2008
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O intrebare.

Rotile tractoare ale: http://www.trixshop.de/index.php?sid=1ed4eae50a28cf1b5906b774c5c2c2ba&cl=details&cnid=59fd223a8dd5c3330270343842c0daa6&anid=T22812&pgNr=4
au pe ele din turnare ca niste bobine? In fine sunt foarte complicate.
Ce erau astea? Frane electrodinamice?

Multumesc anticipat