Application: 122/KOL/2008 A, Filing date: 2008-01-17, Publication date: 2008-08-22
Applicant: 1)YANKUANG GROUP CORPORATION LIMITED
Inventor: 1)WANG, XIN 2)ZHANG, MINGLIN 3)ZHU, QINGRUI 4)ZHU, MIN 5)ZHANG, JIYONG 6)JIANG, XINFANG 7)ZHANG, YIFEI 8)SUN, YONGKUI 9)HAN, MEI 10)ZHANG, WEIHUA