DIN 49017-2-1981 电气设备用导管和管接头.刚性非火焰扩散绝缘导管和管接头.轻压力强度用带接头的光滑导管和带接头的弯头
Conduits and fittings for electrical installation; rigid nonflame propagating insulating conduits and fittings; plain conduits with coupler and bends with coupler for light pressure strength
Conduits and fittings for electrical installation; rigid nonflame propagating insulating conduits and fittings; plain conduits with coupler and bends with coupler for light pressure strength.Für den Geltungsbereich dieser Norm bestehen keine entsprechend