Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Paperback.Pub Date:2021-04-01 Pages:490 Language:Chinese Publisher: China University of Mining and Technology Press Detailed description of the differences between the 2017 version of coal mine safety production standardization and the 2020 version of the management system requirements. so that coal mine safety production standardization management and technical personnel can quickly grasp the requirements of the new version of the safety production standardization management system. and then. N° de réf. du vendeur NW032510
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