Tape measure endpiece

作者: Donald Poineau , James Enos , Robert A. Martin

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摘要: An endpiece for attachment at the end of a tape measure tape. A cross curvature supports its own weight when it is extended horizontally and held in an upright position. perpendicular hook can be used to secure edge object. that extends above curved surface allows measurements secured from below object while maintaining self supporting position adhering or magnetic means attached further assists allowing taken without causing incidental collapse Such may removably attached, adapted fit on existing measures.

参考文章(24)
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