Hongfeng Ma

Follow

Person

Xuzhou, CN

People

Patents Applicationslast 30 patents

Information Patent Application
ROTARY FRAME AND GRADE
- Publication number 20230235528
- Publication date Jul 27, 2023
- JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD.
- Hongfeng MA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ROTARY FRAME AND GRADER
- Publication number 20230106191
- Publication date Apr 6, 2023
- JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD.
- Penglong Hou
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING