| 摘要 |
PROBLEM TO BE SOLVED: To precisely and readily carry out digging and harvesting of subterranean crops with a digger. SOLUTION: This crop digger is composed by mounting a digging arm 5 having a digging fork 3 capable of digging the crops at the lower end and further equipped with an operating handle 4 on a balancer arm 2 freely vertically movable in a prescribed height region, freely turnable relatively to a car body 1 and liftable and lowerable by a power.
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