Stairs
The present invention relates to a point structure of a riser of a staircase. Upon examination of the configuration of a riser (2), which vertically stands to a front end of a bottom surface of a tread (1) to support the tread (1) at a front end portion of an upper surface on which one or more rows...
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Main Authors | , , |
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Format | Patent |
Language | English Korean |
Published |
02.02.2023
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Subjects | |
Online Access | Get full text |
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