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1969-11-16
Un vehiculo articulado y motorizado sobre orugas.
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Equalizer bar mounting for track-type vehicles
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1991-07-17
Snowmobile suspension
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1976-01-28
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1986-06-07
Гусеничный движитель
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1978-09-26
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1944-12-26
Earth-moving machinery
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Traction-machine
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1943-01-12
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1974-08-20
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横剛性を向上したゴムクロ−ラ
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1958-02-11
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Бесшарнирна гусеница транспортного средства