The utility model discloses a special-shaped pipe expanding plunger chip and relates to a special-shaped pipe shaping tool.
本实用新型公开了一种异型扩管冲头，涉及一种异型管成型工具。
The utility model relates to a special hand tool for biting the thin sheet metal for replacing the traditional hand bumping edge-biting technology.
本实用新型是咬接薄金属板材的一种专用手工工具。
The utility model relates to a plotting tool capable of spreading coordinates quickly, which belongs to a special drawing tool and fits for the work of spreading points in a plotting chart.
本实用新型的坐标速展器是属于专用绘图工具，适用于测绘图的展点工作。
The utility model relates to a special anchor tool used for tensioning steel strands.
本实用新型为张拉钢铰线的专用锚具。
The utility model relates to a special anchor tool used for tensioning steel strands.
本实用新型为张拉钢铰线的专用锚具。
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