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Inventor
HUANG QUANSHENG
CN
2 patents
Patents
2 patents
US11015663B2
May 25, 2021
Lifting device
XUZHOU HEAVY MACHINERY CO LTD
2 citations
68
US9950912B2
Apr 24, 2018
Combined counterweight hitching device and method thereof, and counterweight mounting structure
XUZHOU HEAVY MACHINERY CO LTD
0 citations
37