Home / Standards / GB/T 2879 GB/T 2879 Active Hydraulic fluid power—Cylinders—Dimensions and tolerances of housings for single-acting piston and rod seals in reciprocating applications 液压传动 液压缸 往复运动活塞和活塞杆单向密封圈沟槽的尺寸和公差 Standard Type GBT ICS 23.100.60;23.100.20 CCS J20 Status 现行 Issue Date 2024-03-15 Implementation 2024-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会