Home / Standards / GB/T 22906.8-2008 GB/T 22906.8-2008 Active Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis 纸芯的测定 第8部分:固有频率和弹性模量的测定(试验模型分析法) Standard Type GBT ICS 85.010 CCS Y30 Status 现行 Issue Date 2008-12-30 Implementation 2009-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A