Home / Standards / GB/T 34875-2017 GB/T 34875-2017 Active Shaft sealing systems for centrifugal and rotary pumps 离心泵和转子泵用轴封系统 Standard Type GBT ICS 23.080 CCS J71 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A