ISO 3019-3-1988 液压传动.变容泵和电动机.装配法兰盘和轴伸的尺寸及识别标记.第3部分:多边形法兰盘(包括圆形法兰盘)
Hydraulic fluid power; positive displacement pumps and motors; dimensions and identification code for mounting flanges and shaft ends; part 3: polygonal flanges (including circular flanges)