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

专家解读视频
Contains a test method for determination of colour stability of dental polymeric materials.
ISO 7491:2000 - Identical
DIN EN 27491 (1991-09) - Identical
DIN EN 27491 : 1991 - Identical
DIN EN 27491 : 1991 - Identical
NFS 91 237 : 98 PR - Identical
ISO 7491 : 2000(R2017) - Identical