
Technical drawings - General principles of presentation Part 21: Preparation of lines by CAD systems
出版:International Organization for Standardization

专家解读视频
BIS IS 10714-21:2001 (R2017) - Identical
SN EN ISO 128-21:2001 - Identical
BS EN ISO 128-21:2001 - Identical
ONORM EN ISO 128-21:2002 - Identical
BS ISO 128-21:1997 - Identical
DIN EN ISO 128-21 (2002-12) - Identical
DIN ISO 128-21 (1997-12) - Identical
NBN EN ISO 128-21:2001 - Identical
NF EN ISO 128-21:2001 - Identical
I.S. EN ISO 128-21:2002 - Identical
UNI EN ISO 128-21:2002 - Identical
NF ISO 128-21:1997 - Identical
PN EN ISO 128-21:2006 - Identical
UNE EN ISO 128-21:2002 - Identical
SS EN ISO 128-21 Ed. 1 (2001) - Identical
AS ISO 128.21-2005 (R2016) - Identical
SS ISO 128-21 Ed. 1 (1997) - Identical
NEN EN ISO 128-21:2001 - Identical
NS EN ISO 128-21 Ed. 1 (2002) - Identical
KS A ISO 128-21:2001 - Identical
GB/T 18686-2002 - Identical
KS A ISO 128-21:2014 - Identical