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US3581187A
|
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Regulated dc power supply
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US3362573A
|
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Quick release explosion-proof enclosure
|
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US3390359A
|
|
Sequential power switch
|
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US3393352A
|
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Wound rotor polyphase motor control system
|
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US3405775A
|
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Weighing mechanism
|
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US3268714A
|
|
Bidirectional polarized electromagnetic counter
|
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US3273091A
|
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Hermetically-sealed manually-actuated magnetic snap switch
|
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US3100400A
|
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Doubly integrating accelerometer
|
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US3100440A
|
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Line printer
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US3193764A
|
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Electrical measuring device using a double acting thermal actuator
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US3100825A
|
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Magnetic release structure
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