Baoji City, Shaanxi Province, CN
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Patent Grant
BAOJI YIXIN METALS PRODUCT WORKS
Zicheng Sun
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Application
BAOJI YIXIN METALS PRODUCT WORKS
Zicheng Sun
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
