专家解读视频
Describes the significant hazards pertinent to mechanized drill rigs, when used as intended and under the conditions foreseen by the manufacturer. Ascertains requirements of safety concerning the design, construction, operation and maintenance. Also relates to drill rigs for surface and underground drilling in the tunnelling, mining, construction and water well drilling industries.
ONORM EN 791:1996 - Identical
NEN EN 791:1995 - Identical
SN EN 791:1996 - Identical
ONORM EN 791:2010 - Identical
SS EN 791:1995 - Identical
UNE EN 791:1996 - Identical
NS EN 791:1995 - Identical
NF EN 791:1996 - Identical
NBN EN 791:1996 - Identical
