DIN 53509-1:2001 Determination of resistance of rubber to ozone cracking under static strain
DIN 53509-1:2001 橡胶检验.抗臭氧龟裂稳定性的测定.第1部分:静应力
DIN 53509-1:2001 Determination of resistance of rubber to ozone cracking under static strain
DIN 53509-1:2001 橡胶检验.抗臭氧龟裂稳定性的测定.第1部分:静应力