专家解读视频
Provides general principles for describing the structure of information about systems and of systems themselves. These principles are general and are intended to be applicable to all technical areas.
UNE EN 61346-1:1998 - Identical
SS EN 61346-1:1996 - Identical
NF EN 61346-1:1996 - Identical
I.S. EN 61346-1:1999 - Identical
ONORM EN 61346-1:1998 - Identical
DIN EN 61346-1 (1997-01) - Identical
BS EN 61346-1:1996 - Identical
SN EN 61346-1:1996 - Identical
