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| DB37/T 4291-2020 (English Version) |
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Detail of DB37/T 4291-2020
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Introduction of DB37/T 4291-2020
本文件规定了电梯应急处置热线服务的总体要求、工作场所与设备设施、人员、服务内容及质量要求、服务评价与改进。
本文件适用于电梯应急处置热线的运行、管理与服务。
Contents of DB37/T 4291-2020