Structures for mine shafts — Part 4: Conveyances
Structures de puits de mine — Partie 4: Moyens de transport
73.020 - Mining and quarrying. Including exploration, opening-up, development, working of mineral deposits, drilling, construction of mines, mining operations, processing of minerals, etc.
Comprar en AENOR
Esta norma está disponible en:
Formato digital
Ingles