Home / Standards / GB/T 6577-1986 GB/T 6577-1986 Active Hydraulic fluid power--Cylinders--Piston seal housings incorporating bearing rings--Dimensions and tolerances 液压缸活塞用带支承环密封沟槽型式、尺寸和公差 Standard Type GBT ICS 23.100.20 CCS J20 Status 现行 Issue Date 1986-07-22 Implementation 1987-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A