Chongqing, CN
Information
Patent Grant
NO.59 RESEARCH INSTITUTE OF CHINA ORDNANCE INDUSTRY
Qiang Chen
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
NO.59 RESEARCH INSTITUTE OF CHINA ORDNANCE INDUSTRY
Qiang Chen
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
No.59 Research Institute of China Ordnance Industry
Qiang CHEN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
No.59 Research Institute of China Ordnance Industry
Qiang CHEN
F42 - AMMUNITION BLASTING
