GB/T 2353.2-1993

Hydraulic fluid power--Positive displacement pumps and motors--Dimensions and identification code for mounting flanges and shaft ends--Part 2:Polygonal flanges (including circular flanges)

液压泵和马达 安装法兰与轴伸的尺寸系列和标记(二) 多边形法兰(包括圆形法兰)