ICS03.080.30CCSA16DB61陕西省地方标准DB61/T1797—2023工业园区保洁服务规范Servicespecificationofindustrialparkcleaning2023-12-22发布2024-01-22实施陕西省市场监督管理局发布DB61/T1797—2023I目次前言........................................................................................................................................................................
