Home / Standards / GB/T 22881-2008 GB/T 22881-2008 Active Paper and board - Determination of roughness/smoothness(air leak methods) - General method 纸和纸板 粗糙度（平滑度）的测定（空气泄漏法） 通用方法 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