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Thermostatically-actuated device
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Electrical switch
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Thermostatically-actuated switch
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Vernier friction knob
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Electrical resistor
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Mechanical movement
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Starting device for synchronous motors
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Molding apparatus and method of molding articles
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Radio apparatus
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Improvements in and relating to pressure rheostats
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Pressure rheostat
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Knob-securing means
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Magnetic latch mechanism
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