Hongmin Wang

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Binzhou City, CN

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Patents Applicationslast 30 patents

Information Patent Application
Welding Forged Steel Single Piece Piston and Its Manufacturing Methods
- Publication number 20070079775
- Publication date Apr 12, 2007
- Fenghua Lin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Manufacturing Method of Semi-Finished Piston with Inner Cooling Cha...
- Publication number 20070079948
- Publication date Apr 12, 2007
- Guohua Zhang
- B22 - CASTING POWDER METALLURGY