Xuejun Ma

Follow

Person

Binzhou City, CN

People

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING SINGLE-PIECE FORGED-STEEL PISTON WITH INNE...
- Publication number 20110265326
- Publication date Nov 3, 2011
- Fenghua LIN
- C21 - METALLURGY OF IRON
Information Patent Application
SINGLE-PIECE FORGED-STEEL PISTON WITH INNER OIL COOLING CHAMBER AND...
- Publication number 20090020007
- Publication date Jan 22, 2009
- Fenghua LIN
- C21 - METALLURGY OF IRON
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