
Technical Drawings - Simplified Representation Of Centre Holes
出版:National Standards Authority of Ireland

专家解读视频
Defines the simplified representation of centre holes and their designation.
NBN EN ISO 6411:1998 - Identical
NS EN ISO 6411 Ed. 1 (1998) - Identical
ISO 6411:1982 - Identical
SS EN ISO 6411 Ed. 1 (1997) - Identical
UNE EN ISO 6411:1998 - Identical
NF EN ISO 6411:1998 - Identical
UNI EN ISO 6411:1999 - Identical
SN EN ISO 6411:1998 - Identical
BS EN ISO 6411:1997 - Identical
ONORM EN ISO 6411:1997 - Identical