Home / Standards / GB/T 31905-2015 GB/T 31905-2015 Active Paper and board—Determination of edge permeance 纸和纸板 边渗透的测定 Standard Type GBT ICS 85.010 CCS Y30 Status 现行 Issue Date 2015-09-11 Implementation 2016-04-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A