日韩欧美亚洲一区-日韩欧美亚洲视频-日韩欧美亚洲国产-日韩欧美天堂-日韩欧美手机在线-日韩欧美视频在线一区二区

Invention Patent Approved To Be Authorised Edit Date：2014/12/02

      Improved Waste Storage Pit & Collection System of Waste Leachate (Patent: ZL 2012 1 0485538.7), applied by No.5 Engineering Department, has been approved to be authorized by SIPO (State Intellectual Property Office of the P.R.C)

 Technique & Quality Department

2014.12.2