专家解读视频
Applies to differing types of machines used in the construction, water well drilling, mining and quarrying industries above as well as underground, including tunnel construction. Covers percussive, rotary, and rotary percussive drilling methods. Also deals with hazards relating to mechanized drill rigs used as intended and under manufacturer's conditions.
SN EN 791:1996 - Identical
NEN EN 791:1995 - Identical
BS EN 791:1995+A1:2009 - Identical
ONORM EN 791:1996 - Identical
DIN EN 791 (1996-01) - Identical
NBN EN 791:1996 - Identical
I.S. EN 791:1996 - Identical
NF EN 791:1996 - Identical
NS EN 791:1995 - Identical
UNE EN 791:1996 - Identical
SS EN 791:1995 - Identical
