
Dentistry; Dental Materials; Determination Of Colour Stability Of Dental Polymeric Materials
出版:Swiss Standards

专家解读视频
1991 [01/10/1991]
"Indice de classement: SNV NF S91-237" (12/2001)
ISO 7491:2000 - Identical
DIN EN 27491 (1991-09) - Identical
DIN EN 27491 : 1991 - Identical
DIN EN 27491 : 1991 - Identical
ISO 7491 : 2000(R2017) - Identical