505 / | HD | SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS |
825 | DF | APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36} |
912 | DF | .~ Metal founding: (Class 164) {1} |
913 | .~.~ Casting process {3} | |
914 | DF | .~.~.~> Using magnetic or electric field |
915 | DF | .~.~.~> Making composite product |
916 | DF | .~.~.~> Continuous casting |