• <bdo id="mqqu8"><source id="mqqu8"></source></bdo><menu id="mqqu8"><dd id="mqqu8"></dd></menu>
  • <bdo id="mqqu8"></bdo>
    <tt id="mqqu8"><samp id="mqqu8"></samp></tt>
  • 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:1091

    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

    国产重口老太和小伙_午夜神器老司机高清无码_一女战三老外一女战三黑人_欧美日本一区二区视频专区
  • <bdo id="mqqu8"><source id="mqqu8"></source></bdo><menu id="mqqu8"><dd id="mqqu8"></dd></menu>
  • <bdo id="mqqu8"></bdo>
    <tt id="mqqu8"><samp id="mqqu8"></samp></tt>