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Hydraulic grab operated by optionally hydraulic crane, includes compensation devices for restricting axial movement of grab buckets about hinge axes when given work depth is reached
Hydraulic grab operated by optionally hydraulic crane, includes compensation devices for restricting axial movement of grab buckets about hinge axes when given work depth is reached
Fixtures in the grab basis part (10) compensate for an axial component of the movement of the grab buckets (20, 30) about their hinge axes once a pre-selected work depth has been reached.
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