Home / Standards / GB/T 25213-2010 GB/T 25213-2010 Active Determination of plastic properties of coal - Constant-torque gieseler plastometer method 煤的塑性测定 恒力矩吉氏塑性仪法 Standard Type GBT ICS 73.040 CCS D21 Status 现行 Issue Date 2010-09-26 Implementation 2011-02-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A