电缆情缘网 BRITISH STANDARD BS EN 61537 2007 Cable management — Cable tray systems and cable ladder systems The European Standard EN 61537 2007 has the status of a British Standard ICS 29 120 10 �����[.]
BRITISH STANDARD Cable management — Cable tray systems and cable ladder systems The European Standard EN 61537:2007 has the status of a British Standard ICS 29.120.10 12&23