Audiovisual, video and television equipment and systems; connectors for automatic slide projectors with built-in triacs for audiovisual applications; identical with IEC 60574-18:1987; german version HD 369.18 S1:1989
视听、视频和电视设备及系统;用于自动幻灯放映机的连接器 带有用于视听应用的内置双向晶闸管;与IEC 60574-18:1987相同;德语版HD 369.18 S1:1989