工程机械的美国认证标准-进入美国必需
美国劳工部发• Part Number:1926• Part Title:Safety and Health Regulations for Construction• Subpart:N• Subpart Title:Cranes, Derricks, Hoists, Elevators, and Conveyors• Standard Number:1926.550• Title:Cranes and derricks.
http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10760 了解!谢谢!
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