Connecting devices. Electrical copper conductors. Safety requirements for screw-type and screwless-type clamping units. Part 1. General requirements and particular requirements for clamping units for conductors from 0,2 up to 35 sq. mm (included)
Roofing and hydraulic-insulating flexible polymeric (thermoplastic or elastomer) materials. Methods for determination of length, width, straightness and flatness
