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Poll: What is YOUR level of education??
I´m Chemical Engineering from Mlexico, and actully working on polymers
31-3-2005 at 11:29
by: theta_pu
Polynitrobiphenyl derivate
Searching at the US Patent Office i find this patent 4,935,544, which illustrates the synthesis of a ...
3-12-2004 at 10:53
by: theta_pu

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