This SAE Standard applies to all mobile, construction-type, lifting cranes as equipped for operation with hook, clamshell, magnet, and grapple attachments. It is not applicable to excavating and demolition attachments such as shovels, hoes, draglines, and wrecking balls.
LIFTING CRANE, WIRE-ROPE STRENGTH FACTORS
1991-05-01
Aufsatz (Konferenz)
Englisch
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