72 صفحه pdf
استاندارد
ASME B30.5
Mobile and Locomotive Cranes
Safety Standard for Cableways Cranes, Derricks, Hoists, Hooks, Jacks
and Slings
ASME B30.5:2014-Mobile and Locomotive Cranes
72 صفحه pdf
استاندارد
ASME B30.5
Mobile and Locomotive Cranes
Safety Standard for Cableways Cranes, Derricks, Hoists, Hooks, Jacks
and Slings
38 صفحه
ASME B30.6-2015-Derricks-Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings