Classification opinions
… Dimensions of the product examined : external diameter : 16 mm; length : 3 m. Adoption : 1971 … 5. Portable clamping … : 1997 … 6. Key holder, of steel, consisting of a ring (22 mm in diameter) with a clasp to hold keys, attached by a … used to protect (ground) high-tension lines, substations, communication lines, buildings, street lamps, lightning …