ladder having sub-leg using hinge
The present invention relates to a ladder with a sub-leg, having a simple structure and capable of being stably installed. According to the present invention, the ladder comprises: a hinge formed on the outer surface of a lower part of at least one support leg of the ladder; a strut unfolded within...
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| Main Author | |
|---|---|
| Format | Patent |
| Language | English Korean |
| Published |
02.08.2017
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| Subjects | |
| Online Access | Get full text |
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