标准号:IEC TR 60668:1980
发布日期:1980-01-01
Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments
IEC TR 60668:1980
标准号:IEC TR 60668:1980
发布日期:1980-01-01
Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments
IEC TR 60668:1980