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GB341284A
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Improvements relating to couplings between tractor and trailer vehicles
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US1859534A
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Coupling for trailers
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GB295725A
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Automatic brake actuating mechanism for trailer vehicles
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GB281335A
|
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Improvements in hydraulic presses
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US1649980A
|
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Automatic trailer coupling
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GB262779A
|
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Improved coupling for trailers and tractors
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US1692141A
|
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Automatic brake for trailers
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GB268661A
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Brake acting when the trailer is closing up on the tractor
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GB267653A
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Method and arrangement for braking the wheels of a trailcar from the driver's seat on the motor car
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US1652254A
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Automatic brake for trailers
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