The utility model relates to a self-lubrication spring centre, belonging to a machine tool accessory.
本实用新型是一种自润滑弹簧顶尖，属于机床附件。
The utility model provides an arbitrary Angle arbitrarily bisector, belonging to the field of a teaching appliance, a drawing tool, a lining tool for a bench worker, a machine tool accessory, etc.
本实用新型提供了任意角任意等分仪，属教学仪器、绘图工具、钳工画线工具及机床附件等领域。
The utility model provides an arbitrary Angle arbitrarily bisector, belonging to the field of a teaching appliance, a drawing tool, a lining tool for a bench worker, a machine tool accessory, etc.
本实用新型提供了任意角任意等分仪，属教学仪器、绘图工具、钳工画线工具及机床附件等领域。
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