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NEN-EN-ISO 7491

Dental materials - Determination of colour stability of dental materials

inactive
Organization: NEN
Publication Date: 1 November 1998
Status: inactive
Page Count: 12
ICS Code (Dental materials): 11.060.10
scope:

Specifies a method for the determination of the colour stability of dental materials after exposure to light and water.

Document History

NEN-EN-ISO 7491
October 1, 2000
Dental materials - Determination of colour stability
Specifies a method for the determination of the colour stability of dental materials after exposure to light and water.
NEN-EN-ISO 7491
November 1, 1998
Dental materials - Determination of colour stability of dental materials
Specifies a method for the determination of the colour stability of dental materials after exposure to light and water.
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