Multi-functional ruler

The utility model discloses a multi-functional ruler. The ruler comprises a ruler body (1), a hollow polygon prism (2) with a sealed end is embedded in a sliding groove of the ruler body (1), a magnet (3) is arranged at the edge of an opening end of the hollow polygon prism (2), and an iron block (4...

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Bibliographic Details
Main Author CHEN DONGNI
Format Patent
LanguageChinese
English
Published 10.10.2012
Subjects
ACCESSORIES FOR WRITING OR DRAWING
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
PERFORMING OPERATIONS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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