Superferromagnetism 1970-01-01
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Surface freezing 1970-01-01
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Terradynamics 1970-01-01
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Transient friction loading 1970-01-01
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Unwin Radar 1970-01-01
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Vibroscope 1970-01-01
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X-ray machine 1970-01-01
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Z-tube 1970-01-01
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