Release Time:2019-03-09  Hits:

First Author: 李清平

Disigner of the Invention: 白玉湖,姚海元,庞维新,Liu Weiguo,Mingjun Yang,刘瑜,Yongchen Song

Application Number: CN201120274677.6

Authorization Date: 2011-07-29

Authorization Number: CN202196178U