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Roofing and hydraulic-insulating flexible bitumen-based and polymeric (thermoplastic or elastomer) materials. Method for determination of watertightness after stretching at low temperature
Document status: Active
Steel flights of steps, stair landings and railings. Specifications
Document status: Active
Centrifugal reinforced concrete posts for high-voltage transmission lines. Specifications
Document status: Active
Information and warning systems on train traffic and railway rolling stock approach. General requirements
Document status: Cancelled
