505 / | HD | SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS |
800 | DF | MATERIAL, PER SE, PROCESS OF MAKING SAME {4} |
815 | DF | .~ Process of making, per se {5} |
818 | .~.~ Coating: (Classes 204, 427/62) {3} | |
819 | DF | .~.~.~> Vapor deposition |
820 | DF | .~.~.~> And etching |
821 | DF | .~.~.~> Wire |