专家解读视频
Defines requirements and test methods for cobalt-based dental casting alloys to be used in making removable dental appliances. Not applicable to alloys used in metal-ceramic dental restorations.
SS EN ISO 6871-1 Ed. 1 (1997) - Identical
ISO 6871-1:1994 - Identical
NS EN ISO 6871-1 Ed. 1 (1996) - Identical
UNI EN ISO 6871-1:1998 - Identical
UNE EN ISO 6871-1:1997 - Identical
NF EN ISO 6871-1:1997 - Identical
I.S. EN ISO 6871-1:1997 - Identical
ONORM EN ISO 6871-1:1997 - Identical
DIN EN ISO 6871-1 (1996-12) - Identical
BS EN ISO 6871-1:1997 - Identical
NEN EN ISO 6871-1:1996 - Identical
SN EN ISO 6871-1:1999 - Identical
