Home / Standards / GB/T 33293-2016 GB/T 33293-2016 Active Determination of shrinkage and expansion of well cement formulations at atmospheric pressure 常压下油井水泥收缩与膨胀的测定 Standard Type GBT ICS 75.020 CCS E13 Status 现行 Issue Date 2016-12-13 Implementation 2017-07-01 Responsible Dept 国家标准委 Drafting Unit N/A