
Micrographic Examination Of The Non-Metallic Inclusion Content Of Steels Using Standard Pictures
出版:British Standards Institution

專家解讀視頻
2007 COR 2017 [31/05/2017]2007 [31/05/2007]
? British Standards Institution 2013
NEN EN 10247:2017 - Identical
EN 10247:2017 - Identical
ONORM EN 10247:2017 - Identical
SN EN 10247:2007 - Identical
DIN EN 10247 (2007-07) - Identical
NBN EN 10247:2007 - Identical
NF EN 10247:2007 - Identical
I.S. EN 10247:2007 - Identical
UNI EN 10247:2007 - Identical
NS EN 10247 Ed. 1 (2007) - Identical
SS EN 10247 Ed. 1 (2007) - Identical
NEN EN 10247:2007 - Identical
ONORM EN 10247:2007 - Identical