Zhenghua Miao

Follow

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Rigid and fragile material drilling machine
- Patent number 6,595,728
- Issue date Jul 22, 2003
- Zhenghua Miao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Rigid and fragile material drilling machine
- Publication number 20020182019
- Publication date Dec 5, 2002
- Zhenghua Miao
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC