66 صفحه
ASME B30.1-2015-Jacks, Industrial Rollers, Air Casters, and Hydraulic Gantries
Safety Standard for Cableways
Cranes, Derricks, Hoists, Hooks, Jacks,
and Slings
ASME B30.1-2015-Jacks, Industrial Rollers, Air Casters, and Hydraulic Gantries
66 صفحه
ASME B30.1-2015-Jacks, Industrial Rollers, Air Casters, and Hydraulic Gantries
Safety Standard for Cableways
Cranes, Derricks, Hoists, Hooks, Jacks,
and Slings