505 / | HD | SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS |
150 | DF | HIGH TEMPERATURE (Tc GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING {26} |
230 | DF | .~ Superconducting wire, tape, cable, or fiber, per se {2} |
232 | .~.~ Having nonsuperconducting core |