Chongqing, CN
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NO.59 RESEARCH INSTITUTE OF CHINA ORDNANCE INDUSTRY
Qiang Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Southwest Technology and Engineering Research Institute
Qiang Chen
B22 - CASTING POWDER METALLURGY
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Patent Application
No.59 Institute of China Ordnance Industry
Qiang CHEN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
Southwest Technology and Engineering Research Institute
Qiang CHEN
B22 - CASTING POWDER METALLURGY
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Patent Application
No.59 Research Institute of China Ordnance Industry
Qiang CHEN
F42 - AMMUNITION BLASTING
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Patent Application
No.59 Research Institute of China Ordnance Industry
Qiang CHEN
F42 - AMMUNITION BLASTING
