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American National Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings - Addenda to ANSI / ASME B30.2- 1983 - Overhead and Gantry Cranes (Top Running Bridge, Single or Multiple Girder, Top Running Trolley Hoist) ANSI/ASME B30.2a-1985

Sponsored and published by The American Society of Mechanical Engineers (ASME)

Approved March 22, 1985