Utility model patent certificate 6
Utility model name ：A Cylindrical Lithium Ion Battery Cell
Inventor：Zeng Jianhua Hu Changqing Zhou Qing Zhu Yanfei
Patent No.:ZL 2009 2 0057899.5
Patent Application date: June 5th,2009
Patent holder:HGB Battery Co.,Ltd.
Authorization announcement day :May 5th,2010
