Home / Standards / GB/T 451.2-2002 GB/T 451.2-2002 Abolished Paper and board--Determination of grammage 纸和纸板定量的测定 Standard Type GBT ICS 85.060 CCS Y32 Status 废止 Issue Date 2002-06-13 Implementation 2002-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A