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Hydraulic Support Worker (Elementary. Intermediate and Advanced) (3rd Edition)(Chinese Edition)
Anbieter: liu xing, Nanjing, JS, China
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paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2024-03 Publisher: Emergency Management Press: This book introduces the knowledge and skills requirements for the vocational skills assessment and appraisal of primary. intermediate and senior hydraulic support workers. The content includes basic knowledge of coal mines. installation and use of hydraulic supports. operation under special geological structures and maintenance of hydraulic supports. This book is a training and self-study textbook before the. Bestandsnummer des Verkäufers DS017878
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