Perforación de rocas. Barrenas y bocas rotativas de perforación en seco. Medidas de acoplamiento.
ROCK DRILLING. ROTARY DRILL-RODS AND ROTARY DRILL-BITS FOR DRY DRILLING. CONNECTING DIMENSIONS.
Buy on AENOR
73.100.30 / Equipment for drilling and mine excavation
CTN 22/SC 1 - Mineral raw materials
ISO 1717:1974 (Identical)
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