Perforación de rocas por percusión. Barra hexagonal hueca de acero para barrenas.
ROCK DRILLING. HOLLOW HEXAGONALDRILL. STEELS IN BAR FORM.
Buy on AENOR
73.100.30 / Equipment for drilling and mine excavation
CTN 22/SC 1 - Mineral raw materials
ISO 722:1974 (Non-equivalent)
This standard is available in:
Print and digital format
Spanish
