Corrugating medium - Determination of the flat crush resistance after laboratory fluting - Part 1: A-flute (ISO 7263-1:2018); German version EN ISO 7263-1:2019— 22 стр.
Corrugating medium - Determination of the flat crush resistance after laboratory fluting - Part 2: B-flute (ISO 7263-2:2018); German version EN ISO 7263-2:2019— 21 стр.