174 / | HD | ELECTRICITY: CONDUCTORS AND INSULATORS |
68.1 | DF | CONDUITS, CABLES OR CONDUCTORS {15} |
126.1 | DF | .~ Conductor structure (nonsuperconductive) {6} |
128.1 | .~.~ Plural strand {3} | |
128.2 | DF | .~.~.~> Bundle conductors |
129 R | DF | .~.~.~> Assemblies of noncircular section {2} |
130 | DF | .~.~.~> Annular {1} |