PIA_25(Quimica)
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Uanl<br />
preparatoria 7<br />
química 2<br />
integradora 4<br />
El petróleo y los hidrocarburos<br />
Pablo Ignacio Sánchez Loera 37<br />
Alan Hernández Velázquez <strong>25</strong><br />
Alan Vázquez Ortiz 41<br />
Guillermo Martínez Carmona 29<br />
Arely Báez Betancourt 5<br />
ETAPA 4
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