BS EN 4803. Aerospace series. Flange couplings. Swivel flange with 4 fastening holes, in heat resisting steel. Inch series
英国标准EN 4803 航空航天系列 法兰联轴器 带4个紧固孔的耐热钢旋转法兰 英寸系列
Cross References:EN 2424EN 3468EN 4814TR 4815EN 3761EN 4315EN 4318EN 3638All current amendments available at time of purchase are included with the purchase of this document.