NF P61-504:1991
Ceramic tiles. Determination of scratch hardness of surface according to mohs.

Standard No.

NF P61-504:1991

Release Date

1991

Published By

Association Francaise de Normalisation

Status

Withdraw

Latest

NF P61-504:1991

NF P61-504:1991 history

• 1991 NF P61-504:1991 Ceramic tiles. Determination of scratch hardness of surface according to mohs.