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:984

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

人妻无码中文字幕一区二区三区,亚洲情色第一热,日本在线视频网站www色,日韩高清不卡