The top documents tagged [escuela colombiana]
Document34
87 views
METROLOGIAYMECANICADEBANCO1
21.716 views
Norma Tecnica Plastometro
1.376 views
NTC 3320 (galvanizado)
2.352 views
GTC 142 (imprimir)
682 views
NTC ISO 3951
4.299 views
NTC4056
93 views
NTC 2062-1
539 views
74474311-NTC-3320-galvanizado
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NTC-2289
248 views
NTC 2289.pdf
1.193 views
Valores
636 views