DIN EN 14146:2004-06 Natural stone test methods - Determination of the dynamic modulus of elasticity (by measuring the fundamental resonance frequency); German version EN 14146:2004
2004DIN EN 14146:2004-06 Natural stone test methods - Determination of the dynamic modulus of elasticity (by measuring the fundamental resonance frequency); German version EN 14146:2004
2004DIN EN 14146:2004 Natural stone test methods - Determination of the dynamic modulus of elasticity (by measuring the fundamental resonance frequency); German version EN 14146:2004