Release Time:2019-03-09  Hits:

First Author: 郁珊娟

Disigner of the Invention: 钱有生,张国文,高嫒,郭丽沙,姚南∴,wang dianlong,俞建元,安立邦,贾振元,黄尚诚

Application Number: CN93217783.2

Authorization Date: 1993-07-08

Authorization Number: CN2164542