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A similar invention was previously made. However, there is a problem with this setup. The powder clumps together and therefore creates cross contamination. The purpose of this posting is to eliminate this problem.
8 freelance font une offre moyenne de $2469 pour ce travail
Hy, I work as mechanical design engineer and i will like to do this [url removed, login to view] you want i will do the drafting for free .The 3d model will be in pro/e creo2 whit a complete BOM structure .