DB37/T 4005-2020 Guidelines for the Implementation of the Safety Risk Hierarchical Management and Control System for Enterprises in the Accommodation and Catering Industry (English Version)
Shandong Provincial Standard of the People's Republic of China
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DB37/T 4005-2020
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2020DB37/T 4005-2020 Guidelines for the Implementation of the Safety Risk Hierarchical Management and Control System for Enterprises in the Accommodation and Catering Industry