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Process and apparatus for the continuous checking of the supermelting of the solidification front of a monocrystal during formation and application to the checking of the growth of a crystal
Process and apparatus for the continuous checking of the supermelting of the solidification front of a monocrystal during formation and application to the checking of the growth of a crystal
Rundspruchschaltung fuer Telegraphierzwecke nach Art der Konferenzschaltung, bei der die Teilnehmerleitungen parallel an nur einem Relaiskontakt liegen