电梯操作与维护(新版) 《全国特种作业人员安全技术培训考核统编教材》编委会 著作 - Tapa blanda

National safety technical training and examination of special operations personnel uniform textbooks: elevator operation and maintenance (new version)(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2011 Pages: 330 Language: English Publisher: Meteorological Press elevator operation and maintenance (new version) elevator workers must master the basic knowledge and understanding of the elevator safety procedures and operating methods. knowledge and wire rope maintenance scrapped standard. common cause failure analysis and judgment. emergency treatment and ambulance and other content. Elevator operation and maintenance (new version) prepared for the the elevator operat. Nº de ref. del artículo: CB069531

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