Journal: | Obras |
Database: | PERIÓDICA |
System number: | 000121985 |
ISSN: | 0185-464X |
Year: | 1987 |
Season: | Mar |
Volumen: | 15 |
Number: | 171 |
Pages: | 27-33 |
Country: | México |
Document type: | Nota breve o noticia |
Approach: | Descriptivo |
Disciplines: | Ingeniería |
Keyword: | Equipo y maquinaria, Escudo mecanizado, Metro, Innovación |
Keyword: | Engineering, Equipment and machinery, Shield-mechanized, Subway, Innovation |
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