I.S. EN 12756:2000现行
Mechanical Seals - Principal Dimensions, Designation And Material Codes
出版：National Standards Authority of Ireland
专家解读视频
Covers the principal dimensions for the internal installation of single and multiple mechanical seals.
SN EN 12756:2001 - Identical
BS EN 12756:2001 - Identical
DIN EN 12756 (2001-03) - Identical
ONORM EN 12756:2001 - Identical
NF EN 12756:2001 - Identical
NBN EN 12756:2001 - Identical
UNI EN 12756:2001 - Identical
NS EN 12756 Ed. 1 (2001) - Identical
UNE EN 12756:2002 - Identical
SS EN 12756 Ed. 1 (2000) - Identical
NEN EN 12756:2001 - Identical
