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使用下运行小车起重机的上运行和下运行单梁电动桥式起重机规范
发布单位：美国-起重机制造商协会美国(US-CCAA)
标准状态：历史
标准号：CMAA 74-2004
发布时间：中标分类：-
国标分类：-
实施时间：摘要： The specifications and information contained in this publication apply to top running and under running single girder electric overhead traveling cranes utilizing under running trolley hoist except patented track. It should be understood that the specifications are general in nature and other specifications may be agreed upon between the purchaser and the manufacturer to suit each specific installation.