FIELD: electrical engineering; optical cables for fiber-optic communication lines. SUBSTANCE: cable has central dielectric reinforcing member covered with dielectric modules with optical fibers and water-repelling filler, two perforated dielectric sheaths, armour, metal sheath, and polymeric sheath overall. EFFECT: improved corrosion and lightning discharge resistance of cable and reduced metal input for metal sheath. 1 dwg
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|---|---|---|---|
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