| 摘要 |
The magnetic table concerned comprises a metal plate, which serves as mounting for metal bodies, which for their part bear customary moulders, and recessed into the active surface of which are coils, the magnetic fields of which close via the corresponding moulders in order to hold them firmly against their own lower moulders, which for their part are drawn firmly against the metal plate. Each lower moulder comprises layers, built up at right angles to the magnetic plate and parallel to the coils of the latter.
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