Gouchao Cao

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Nanyang, CN

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Patents Applicationslast 30 patents

Information Patent Application
ANNULAR CLEAN METAL CASTING MOLD
- Publication number 20130299118
- Publication date Nov 14, 2013
- XIXIA DRAGON INTO SPECIAL MATERIAL CO., LTD
- Shucheng Zhu
- B22 - CASTING POWDER METALLURGY