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US3520460A
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Magnetic tape drive system
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FR1484935A
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Endless Magnetic Tape Cartridge
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US3396323A
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Direct current motor speed control
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DE1256911B
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Magnetic tape cassette
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FR1448363A
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Magnetic tape cartridge
|
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FR1456729A
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Combined radio-tape recorder
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FR1452295A
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Magnetic tape track changer mechanism
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US3414790A
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Photoelectric motor speed control
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US3329845A
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Self-shielding motor
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US3331005A
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Brushless d. c. motor
|
|
US3283235A
|
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Cemf responsive series motor control circuit
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|
US3236221A
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Fuel supply control system
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|
US3308656A
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Engine pressure ratio system
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US3288983A
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Electrical resistance de-icing means for aircraft windshields
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US3266942A
|
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Dry cell battery
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CA851573A
|
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Magnetic tape cartridge
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CA848615A
|
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Multi-track tape cartridge player
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CA900933A
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Endless tape cartridge
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CA804999A
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Spool construction for magnetic tape
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