ISO 1717:1974(en), Rock drilling ? Rotary drill-rods and rotary drill
2 drill-rod for dry drilling-diamond section. 3 drill-rod for dry drilling-turbine section. 4 drill-bits for dry drilling. 5 examples of drill-rods for one method of wet drilling. 6 example of a drill-bit for one method of wet drilling. disponible en: en. fr. foreword.
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