Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定设备。通讯和信号装置架空线路用器材。钢筋混凝土电杆上横梁固定用板。
Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定装置。通讯和信号装置架空线路用器材。钢筋混凝土电杆支撑卡箍。
Fixed railway installations. Equipment for overhead electric telecommunication and signalling lines. Bracing collars for wooden posts.
铁路固定设备。通讯和信号装置架空线路用器材。木电线杆钭撑用卡箍。
Fixed railway installations. equipment for overhead telecommunication and signalling lines. bracing collars for reinforced concrete posts.
铁路固定装置。通讯和信号装置架空线路用器材。钢筋混凝土电杆支撑卡箍。
Fixed railway installations. signalling. wire transmissions. reinforced concrete pickets.
铁路固定装置。信号装置。钢索传动。钢筋混凝土尖桩。
Fixed railway installations. Signalling. Junction boxes. Protective sheaths.
铁路固定装置。信号装置。接线箱。防护壳。
Fixed railway installations. Signalling. Junction boxes. Protective sheaths.
铁路固定装置。信号装置。接线箱。防护壳。
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