DIN EN 1057 (2010-06)现行
Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications (includes Amendment A1:2010)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
UNI EN 1057:2010 - Identical
NEN EN 1057:2006 - Identical
SN EN 1057:2006 - Identical
BS EN 1057:2006+A1:2010 - Identical
NBN EN 1057:2006 - Identical
UNE EN 1057:2007 - Identical
