Fixed railway installations. Equipment for overhead telecommunication and signalling lines. Plates for anchoring bars.
Fittings for overhead lines and switchgear; insulation behaviour of fittings for insulated overhead lines
实施日期:1989-04-01
General technical specification of corrective maintenance tower for overhead transmission line
发布日期:2010-09-02 实施日期:2011-02-01
Clevis straps for overhead lines, for coupling to connecting bolts on the strap side
Fixed railway installations. Equipment for overhead telecommunication and signalling lines. Bracing collars for reinforced concrete posts.
Isolatoren fuer Freileitungen mit einer Nennspannung ueber 1 kV. Keramik-oder Glas-Isolatoren fuer Wechselstromsysteme Begriffe,Pruefverfahren und Annahmekriterien Insulators for Overhead Lines with No...
实施日期:1998-10-15
Fixed railway installations. Equipment for overhead telecommunication and signalling lines. Stay tightener with reinforced eye.
Malleable Iron Casting Clamp and Aluminium Alloy Casting Clamp for Transmission Line Use
发布日期:1981-06-18 实施日期:1981-06-18
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