Home / Standards / GB/T 7977-2007 GB/T 7977-2007 Active Paper,board and pulps - Determination of conductivity of aqueous extracts 纸、纸板和纸浆水抽提液电导率的测定 Standard Type GBT ICS 85.010 CCS Y30 Status 现行 Issue Date 2007-12-05 Implementation 2008-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会