B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
B30B1/42—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by magnetic means, e.g. electromagnetic
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Physics & Mathematics
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Electromagnetism
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Engineering & Computer Science
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Mechanical Engineering
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Developing Agents For Electrophotography
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Photoreceptors In Electrophotography
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Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
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