

专家解读视频
Defines a method for determining the pyrometric cone equivalent for refractory materials, including shaped and unshaped products.
SN EN 993-12:1997 - Identical
NEN EN 993-12:1997 - Identical
BS EN 993-12:1997 - Identical
DIN EN 993-12 (1997-06) - Identical
ONORM EN 993-12:1997 - Identical
I.S. EN 993-12:1997 - Identical
NF EN 993-12:1997 - Identical
UNI EN 993-12:1998 - Identical
NS EN 993-12 Ed. 1 (1997) - Identical
UNE EN 993-12:1997 - Identical
SS EN 993-12 Ed. 1 (1997) - Identical
EN 993-12:1997 - Identical