DF: measurement of the extent of the surface of a leather material held or supported to ensure that the material is presented for measurement in a form that removes the three dimensional characteristics of the material
DF: measurement of the extent of the surface of a leather material held or supported to ensure that the material is presented for measurement in a form that removes the three dimensional characteristics of the material
DF: measurement of the extent of the surface of a leather material held or supported to ensure that the material is presented for measurement in a form that removes the three dimensional characteristics of the material