99.60 Withdrawal effective Jul 24, 2013
CEN
CEN/TC 246 Natural stones
European Norm
73.020 Mining and quarrying | 91.100.15 Mineral materials and products
This European Standard specifies a method of determining the hardness of natural stone using the Knoop indenter.
WITHDRAWN
EN 14205:2003
99.60
Withdrawal effective
Jul 24, 2013