Home / Standards / GB/T 786.1-1993 GB/T 786.1-1993 Abolished Fluid power systems and components--Graphic symbols and circuit diagrams--Part 1:Graphic symbols 液压气动图形符号 Standard Type GBT ICS N/A CCS J20 Status 废止 Issue Date 1993-01-11 Implementation 1993-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A