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Book Description paperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2021-03-01 Publisher: Foreword by China Construction Industry Press 1.?Summarize the development situation of tower cranes. classification and its characteristic models and technical performance II.?Preparations before tower crane installation. The technical documents that the tower crane should have. Requirements for the tower crane installation unit and its personnel. Tower crane installation site and equipment configuration requirements III.?Tower cran. Seller Inventory # NS046825