NS EN ISO 13397-4 Ed. 1 (1998)现行
Periodontal Curettes, Dental Scalers And Excavators - Part 4: Dental Excavators - Discoid-type
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines dimensions for dental excavators having discoid working ends.
ISO 13397-4:1997 - Identical
NEN EN ISO 13397-4:1998 - Identical
SN EN ISO 13397-4:1998 - Identical
BS EN ISO 13397-4:1998 - Identical
DIN EN ISO 13397-4 (1998-04) - Identical
ONORM EN ISO 13397-4:1998 - Identical
NF EN ISO 13397-4:1998 - Identical
I.S. EN ISO 13397-4:1998 - Identical
NBN EN ISO 13397-4:1998 - Identical
UNI EN ISO 13397-4:1998 - Identical
UNE EN ISO 13397-4:1999 - Identical
SS EN ISO 13397-4 Ed. 1 (1998) - Identical
