Subsoiler dials tooth -like device that blocks up of preventing
Subsoiler dials tooth -like device that blocks up of preventing comprises two gyro wheels, a cross axle and a plurality of groups of teeth, its characterized in that: respectively install a gyro wheel at cross axle both ends, a plurality of groups of teeth of welding on the cross axle. Install this...
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Format: | Patent |
Sprache: | chi ; eng |
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