Invention Grant
US07690129B2 Easy centering hanging level 失效
轻松中心悬挂水平

Easy centering hanging level
Abstract:
The present invention is an object hanging device, comprising an elongated body and a scale on the elongated body. The elongated body having a middle section. The scale has a zero point that is located within the middle section of the elongated body. The scale includes right measuring units to the right of the zero point and left measuring units to the left of the zero point. The right measuring units and the left measuring units increase away from the zero point.
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