Home / Standards / GB/T 22906.7-2008 GB/T 22906.7-2008 Active Testing of cores - Part 7: Determination of flexural modulus by the three-point method 纸芯的测定 第7部分：弹性模量的测定（三点法） 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