505 / | HD | SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS |
825 | DF | APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36} |
842 | DF | .~ Measuring and testing: (Classes 73, 324, 356, and 374) {2} |
843 | DF | .~.~ Electrical: (Class 324) {2} |
845 | DF | .~.~.~ Magnetometer: (Class 324/248) {1} |
846 | .~.~.~.~ Using superconductive quantum interference device (i.e., SQUID): (Class 324/248) |