Paper and board - Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis (ISO 11093-8:1997)— 4 стр.
Paper and board - Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis (ISO 11093-8:2012 + Cor. 1:2012)— 13 стр.
Paper and board - Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis (ISO 11093-8:2017); Text in German and English— 13 стр.
Paper and board - Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis (ISO 11093-8:2017)— 13 стр.
Paper and board - Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis (ISO 11093-8:2012 + Cor. 1:2013)— 12 стр.