Multi-functional ruler
The utility model provides a multi-functional ruler, includes the ruler body, openly being provided with the pencil cover and supporting the needle along length direction of ruler body, on the ruler body was fixed in to pencil cover bottom, the tail end that supports the needle passes through the ro...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model provides a multi-functional ruler, includes the ruler body, openly being provided with the pencil cover and supporting the needle along length direction of ruler body, on the ruler body was fixed in to pencil cover bottom, the tail end that supports the needle passes through the rotation axis to be connected on the ruler body, the utility model discloses having gathered the essential items of ruler mapping, conveniently having carried, the function that can realize the ruler mapping is used in the combination |
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