京固 防火槽式桥架B级 不含配件2米/根 150mm*100mm 1.2mm*1.0mm
京固 镀锌槽式桥架B级 不含配件2米/根 200mm*150mm 槽厚1.2mm 盖厚1.0mm
京固 防火槽式桥架上弯头150宽1.2厚 150mm*100mm 1.2mm 1.0mm
京固 镀锌槽式桥架上弯头 不含配件 150mm*75mm 槽厚0.8mm 盖厚0.7mm
京固 镀锌槽式桥架下弯头 不含配件 400mm*100mm 槽厚1.2mm 盖厚1.0mm
京固 防火槽式桥架水平三通 不含配件 300mm*150mm 槽厚1.2mm 盖厚1.0mm
京固 镀锌槽式桥架水平弯头 不含配件 75mm*50mm 槽厚0.8mm 盖厚0.7mm