335809 MANDATORY SIGN STAIRCASE, MUST KEPT CLEAR (SPECIFY SIZE)
| IMPA编码 | 335809 |
| 产品单位 | PCE |
| 中文标题 | 强制标志 楼梯必须保持畅通（指定尺寸） |
| 英文标题 | MANDATORY SIGN STAIRCASE, MUST KEPT CLEAR (SPECIFY SIZE) |
| IMPA版本 | 8th Edition |
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