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1
Cover Image
by Amador Parra, Edwin Arturo
Published 1979
Subjects: “...EXPLOSIÓN Y PERFORACIÓN SUBTERRÁNEA...”
Tesis Section = Libro
2
Cover Image
by Amador Parra, Edwin Arturo
Published 1979
Subjects: “...EXPLOSIÓN Y PERFORACIÓN SUBTERRÁNEA...”
Tesis Section = Libro
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