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DE1265841B
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Electric motor with electromagnetically released inner jaw brake
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DE1265842B
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Electric motor with electromagnetically and additionally manually released inner jaw brake
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ES292107A1
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Induction motor brake system with cylindrical short circuit induction (Machine-translation by Google Translate, not legally binding)
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GB956125A
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Induction motors brake ring locating device
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DE1180040B
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Automatic braking device on induction motors with cylindrical short-circuit runner active over the entire stator length
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DE1002455B
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Process for the generation of extremely low frequencies
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DE943071C
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Automatic braking device on induction motors with cylindrical squirrel cage
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GB488530A
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Improvements in sirens
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DE742354C
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siren
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DE665508C
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Siren with two wing wheels driven by a common motor for high and low continuous tones
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