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CN103608242B
(zh)
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用于控制工程机械的方法和工程机械
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US2269728A
(en)
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Vehicle construction
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US3403925A
(en)
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Self-centering wheeled axle
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US2731276A
(en)
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Supplemental wheel assembly for vehicles
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US3354982A
(en)
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Steerable trailer wheel mechanism
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US3044795A
(en)
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Trailer with steerable wheels
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US2848244A
(en)
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Steerable axle assembly for motor vehicle trailers
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US9981689B2
(en)
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Self-steering bogie for a road vehicle
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US2502946A
(en)
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Alignment attachment for axle assemblies
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US4383698A
(en)
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Steerable trailer
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US3700255A
(en)
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Pivotable axle
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US2672350A
(en)
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Trailer vehicle construction
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WO1995015271A1
(en)
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Self-steering suspension system for vehicles
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EP0546636B1
(en)
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Pulled vehicle having steerable wheels
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WO2000021821A1
(en)
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Self tracking mechanism for axle assemblies
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AU752615B2
(en)
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Self tracking mechanism for axle assemblies
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JPS5528600Y2
(browse.php)
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JPS541700Y2
(browse.php)
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NL289491A
(browse.php)
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