| 摘要 |
2094516 9206579 PCTABS00011 A plough (22) having a landslide (26) and tilling mechanism (28), illustrated as a rotary disc (28) or soil inversion wheel, which is pivotable in relation to the landslide (26) between alternative positions providing for the left- and or right-hand formation of a furrow, depending upon the direction of ploughing, when the plough (22) is required to operate back and forth across a field.
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