Release Time:2019-03-09  Hits:

First Author: 贾振元

Disigner of the Invention: 赵福令,杨玉民,钱敏,王铿,孙宝元,纪洪军,Dongming Guo

Application Number: CN99218150.X

Authorization Date: 1999-07-23

Authorization Number: CN2396904