Type of Patent: Utility model patent
State of Patent: authorization
Authorization number: 200520035465.7
Service Invention or Not: no
First Author: Dai hong,luodeyang,tankeli,lvqibing
lvqibing
Type of Patent: Utility model patent
State of Patent: authorization
Authorization number: 200520035465.7
Service Invention or Not: no
First Author: Dai hong,luodeyang,tankeli,lvqibing