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1972-11-30 |
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1937-10-22 |
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Nat Pneumatic Co |
Combined clutch and brake
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Magnetic device
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Magnetically driven fluidhandling device
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Hartford Nat Bank & Trust Comp |
Magnetic circuits and devices
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Magnetic clutch
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Transmission mechanisms and the like
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1958-10-30 |
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Hamilton Watch Co |
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Intron Int Inc |
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Magnetic transmission
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Synchronous motor structure
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Permanent magnet pump
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MAGNETIC PUMP DRIVE
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Torque converter and system using the same
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