Inventor

ZHANG PINGHAI

CN2 patents

Patents

2 patents

US11247878B2Feb 15, 2022

Operating method of a wind power jib of a crane and crane

XUZHOU HEAVY MACHINERY CO LTD0 citations53

US10988354B2Apr 27, 2021

Operating method of a wind power jib of a crane and crane

XUZHOU HEAVY MACHINERY CO LTD1 citations51