US2874344A
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Hermetic motor starting and overload protection system
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US2909216A
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Spring seat
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US2880787A
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Seat springs
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US2754892A
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Seat back spring
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US2781485A
|
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Thermally controlled electric switches
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US2781484A
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Thermally controlled automatic switches
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US2649897A
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Spring and air cushion seat
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US2622662A
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Spring and air cushion
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US2676647A
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Seat spring assembly
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US2671498A
|
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Seat spring cushion of the air cushion type
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US2677398A
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Machine for crimping wire for spring wire stringers and for forming loop springs on the ends of the wires
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US2646086A
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Machine for crimping the bottom coils of coil springs
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US2609036A
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Automobile seat spring
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GB672444A
|
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Seat spring
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GB669700A
|
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Improvements in or relating to seat springs
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US2649896A
|
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Spring seat cushion
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US2649895A
|
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Seat back spring
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US2682296A
|
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Seat bottom spring
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US2642930A
|
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Seat bottom spring
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US2685329A
|
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Seat spring
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