Rock drilling — Forged collared shanks and chuck bushings for hollow hexagonal drill-steels
Forage des roches — Emmanchements à collerette forgée et douilles porte-outils pour profilé hexagonal creux en acier
73.100.30 - Equipment for drilling and mine excavation. Including equipment for seabed mining
Es anulada por: ISO 723:1991
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Ingles / Frances
