Take ruler of compass
The utility model relates to a take ruler of compass belongs to study article preparation technical field. The utility model discloses a ruler body, ruler scale mark, its characterized in that: still include compass, magnifying glass, dotted line groove, wave nick, figure fretwork nick, through -hol...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to a take ruler of compass belongs to study article preparation technical field. The utility model discloses a ruler body, ruler scale mark, its characterized in that: still include compass, magnifying glass, dotted line groove, wave nick, figure fretwork nick, through -hole, it is the centre of inlaying at the ruler body to be equipped with compass and compass on the ruler body, and ruler body the right is equipped with the magnifying glass, and the magnifying glass inlays in the ring that ruler body the right was equipped with, and ruler body one side is equipped with the ruler scale mark, and ruler body opposite side is equipped with the wave nick, is close to wave nick one side on the ruler body and is equipped with the dotted line groove, is equipped with figure fretwork nick on the ruler body, and the left end edge of ruler body is equipped with the through -hole and is used for hanging the ruler on the wall. The utility model discloses under the condition that the ruler function is many and light is dark convenient to use, conveniently place, reached many functional activities of little cost, convenient to use, compact structure has fine market efficiency. |
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