| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an L-shape handrail that is not dependent on the vertical errors of the walls and that improves workability and does not require precision of the installing wall. SOLUTION: The L-shape handrail which consists of horizontal and vertical handrail parts has at least one holding part of horizontal and vertical part of the handrail that is universally variable.</p> |
