赵进昌

Double-guide-pillar large load capacity hoisting lifting equipment

陈浩, 何明, 杨国栋, 2012 .

Split type cage for construction hoist

陈浩, 何明, 李志国, 2014 .

Automatic folding and unfolding mechanism of folding arm of crane and folding and unfolding method of mechanism

陈浩, 何明, 杨国栋, 2013 .