<b id="7d15j"></b>
      <b id="7d15j"><em id="7d15j"><cite id="7d15j"></cite></em></b>

                <font id="7d15j"><span id="7d15j"></span></font>

                  當前位置: » 首頁 » 新聞資訊 » 公司新聞

                  Certificate No. : 7176306, Patent No. : ZL 2017 2 1131429.X.

                  日期:2018-06-29 03:38:03      瀏覽量:1148

                  In 2017, the company continuously study, developed a practical new type of device "the outer wall of steel pipe automatic cleaning device", in April 2018, its obtained thePatent Certificate issued by the StateIntellectual Property office of the People's Republic of China.

                  Certificate No. : 7176306, Patent No. : ZL 2017 2 1131429.X.


                  本文關鍵詞:

                  分享

                  三级特黄60分钟在线播放