NF C93-421-1983 电子元件.连接装置.间距为 2.54 mm 的单面印刷电路板用多触点棱形插座和板上安装式连接器.HE 7 型.一般要求
Electronic components. Connecting devices. Multicontact edge socket and board mounted connectors for single clad printed boards with 2,54 mm spacing. Type he 7. General requirements.