Patents/Inventors

Hongfeng Ma

JiangsuCN2 patents

2 Patents

US125038282025
Rotary Frame and Grader with Same
JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE Ltd.
0 cites
US124421572025
Rotary Frame and Grade
Jiangsu XCMG Construction Machinery Research Institute Ltd.
0 cites