raul,
I have been to San Luis Potosi. My last time (~1990) was when I worked for Mitsubishi in Houston and I worked closely with Sr. Rodolfo Slobostky when he was with UDIMAC - do you know him? I knew Rodolfo from my Allis Chalmers days. Allis Chalmers used to build lift trucks in S.L.P then Gleaner combines.
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