Linear marking apparatus

作者: Keith Fritsch

DOI:

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摘要: The Linear Marking Apparatus that which includes an embedded marking substance (chalk) reel during use, allowing a single worker to effectively snap line over the work surface. In various embodiments, tool can also be utilized as measuring device, straight edge, or level. Potential uses of include lines on walls, ground, vehicles, concrete, roofing, floors, window, boats, furnishings, ceilings.

参考文章(17)
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Yoshihiro Someya, Line marking device ,(1984)
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