IS 9891 Pt.2-1981
具有 2.54 毫米触点间距的印刷线路板和绝缘板的边缘连接器规范第 Ⅱ 部分非极化插头类型 9891 IS-01-11/25/33-WA-0.75
Specification for edge connectors for printed circuit boards and insulating boards with 2.54 mm contact spacing Part II Non-polarized plug types 9891 IS-01-11/25/33-WA-0.75